Knowledge Base
Guides, tutorials and instructions.
SFR
What is SFR France? SFR (Société Française du Radiotéléphone) is one of France's largest mobile network operators, serving tens of…
Unlock Iphone officiel
Official iPhone Factory Unlock — IMEI-Based The Official iPhone Unlock service permanently removes the carrier lock from your iPho…
How to enter my Unlock Code on Nokia ?
How to Enter Your Nokia Unlock Code Once you receive your Nokia unlock code from code-gsm.com, follow the instructions below for y…
Model: All Nokia
Nokia Unlock Guide — All Models Reference This guide covers the unlock code entry method for every Nokia model type. Identify your…
Unlocking by code OPPO
OPPO Network Unlock — Complete Guide This guide covers how to unlock an OPPO phone from carrier restrictions using the unlock code…
Htc Unlock By code
HTC Network Unlock — Complete Guide This guide explains how to enter the HTC unlock code you received from code-gsm.com to permane…
Apple ID Hint Service
Apple ID Hint Service — Full Guide The Apple ID Hint Service returns a partial (masked) version of the Apple ID email address link…
How to Root Your Android Device
How to Root Your Android Device — Complete Multi-Brand Guide Rooting gives you superuser (administrator) access to your Android de…
What is an iCloud Bypass?
What is an iCloud Bypass? An iCloud Bypass is a technical process that allows an iOS device — such as an iPhone, iPad, or iPod Tou…
What is Activation Lock (Find My iPhone)?
What is Activation Lock (Find My iPhone)? Activation Lock is a security feature built into all iOS devices that is automatically e…
What is Chimera Tool? A Complete Guide for Mobile Technicians
What is ChimeraTool? ChimeraTool (chimeratool.com) is a professional mobile device servicing platform supporting Samsung, Huawei, …
Chimera Tool Features Explained: IMEI Repair, FRP Removal, Bootloader Unlock & More
Overview Chimera Tool packs more than a dozen professional repair functions into a single software platform. This guide explains w…
What is UnlockTool? A Complete Guide for Mobile Repair Professionals
What is UnlockTool? UnlockTool (unlocktool.net) is a professional cloud-connected mobile phone repair and unlocking software desig…
UnlockTool Features Explained: FRP Bypass, MDM Removal, IMEI Repair & Carrier Unlock
Overview UnlockTool is built around a set of professional repair functions covering the most common Android device problems that r…
UnlockTool Supported Models & Brands: Complete Device List (2026)
UnlockTool Supported Devices — Overview UnlockTool (unlocktool.net) supports thousands of Android smartphones across Samsung, Xia…
Buy UnlockTool License: Plans, Pricing & Activation Guide (2026)
UnlockTool License Plans at Code-GSM UnlockTool is sold as a time-based subscription licence. You purchase a 3-month, 6-month, or…
UAT PRO Features Explained: FRP Bypass, Factory Reset, IMEI Repair, Firmware Flash & More
Overview UAT PRO is packed with repair functions covering the full range of problems Android technicians face daily. This guide ex…
What is UAT PRO? A Complete Guide to Uni Android Tool
What is UAT PRO? UAT PRO (Uni Android Tool PRO) is a professional all-in-one Android mobile repair and servicing software develope…
What is HALABTECH? A Complete Guide to the Mobile Repair Resource Platform
What is HALABTECH? HALABTECH (support.halabtech.com) is a professional online resource platform for mobile phone repair technician…
HALABTECH Subscription Plans Explained: Which Plan is Right for You?
Overview HALABTECH offers seven subscription tiers, each designed for a different level of usage — from a technician who needs occ…
What is Global FRP Tool? A Complete Guide for Mobile Technicians
What is Global FRP Tool? Global FRP Tool (globalfrptool.com) is a professional Windows-based FRP (Factory Reset Protection) bypass…
Global FRP Tool: Step-by-Step Guide, Supported Devices & Troubleshooting
Step-by-Step Guide: How to Use Global FRP Tool This guide walks you through the complete process of downloading, installing, and u…
Global FRP Tool Supported Models: Complete Xiaomi & Realme Device List (2026)
Global FRP Tool — Full Supported Device List Global FRP Tool specialises exclusively in Xiaomi and Realme FRP bypass. Below is the…
What is TTool Pro? A Complete Guide for Mobile Repair Technicians
What is TTool Pro? TTool Pro (t-tool-pro.net) is a professional all-in-one smartphone software maintenance and repair tool designe…
TTool Pro Features Explained: Samsung, Huawei, Qualcomm, MediaTek & Unisoc Modules
TTool Pro Module-by-Module Breakdown TTool Pro is organised into six dedicated modules, each targeting a specific chipset family o…
TTool Pro Supported Models & Chipsets: Complete Device List (2026)
TTool Pro Supported Device List TTool Pro supports over 4,000+ device models across 40+ brands. This article lists every supported…
What is Zhizhen Schematics? A Complete Guide for Mobile & Laptop Repair Technicians
What is Zhizhen Schematics? Zhizhen Schematics (zhizhensolutions.com) is a professional subscription-based hardware repair platfor…
Zhizhen Schematics Features Explained: Bitmap, PCB Layout, Hardware Tracing & Diode Values
Zhizhen Schematics — Feature Deep Dive This article provides a detailed walkthrough of every feature in Zhizhen Schematics, explai…
Z3X Tool — Complete Guide to Samsung, LG & Mediatek Phone Servicing
What is Z3X Tool? Z3X Tool (z3x-team.com) is one of the most established professional phone servicing platforms in the GSM industr…
Z3X Supported Models & Chipsets
Z3X Tool — Supported Models & Chipsets by Module Z3X Tool is a multi-module platform where each module specializes in a specific b…
Buy Z3X Credits & Activations: Samsung Tool, SamsTool, LG Tool — Pricing Guide
All Z3X Products Available at Code-GSM Code-GSM carries the complete range of Z3X-Team products — from the flagship SamsTool Onli…
Z3X SamsTool Online: Complete Guide — Features, Credits & Samsung Models (2026)
What Is Z3X SamsTool Online? Z3X SamsTool Online is the next-generation cloud-connected Samsung servicing platform from Z3X-Team,…
Miracle Box / Thunder — Professional Multi-Brand Unlocking Tool
What is Miracle Box / Miracle Thunder? Miracle Box and Miracle Thunder (by Miracle Team) are professional multi-brand phone servic…
Infinity-Box / CM2 — Advanced Phone Repair & Data Recovery Tool
What is Infinity-Box / CM2? Infinity-Box (also known as Chinese Miracle 2 / CM2) is a professional multi-brand phone servicing pla…
EFT Product — Easy Firmware Team Multi-Brand Tool
What is EFT (Easy Firmware Team)? EFT (Easy Firmware Team) produces a suite of phone servicing tools covering MTK, Qualcomm, and S…
Griffin-Unlocker — Comprehensive Smartphone Unlocking Solution
What is Griffin-Unlocker? Griffin-Unlocker (griffin-unlocker.com) is a comprehensive multi-brand smartphone servicing tool designe…
Borneo Schematics — Professional Board View & Schematic Tool
What is Borneo Schematics? Borneo Schematics (borneo-schematics.com) is a professional board-view and schematic software designed …
RTC Tool — Remote & Cloud-Based Phone Servicing Solution
What is RTC Tool? RTC Tool (Repair Tool Cloud) is a cloud-based mobile phone servicing platform that performs repair operations re…
NCK Box / Dongle / Online — Multi-Brand Unlock & Flash Tool
What is NCK? NCK (NCK Box, NCK Dongle, NCK Online) is one of the longest-running professional GSM tool families in the mobile repa…
Hydra Tool — Qualcomm Specialist Unlock & Flash Tool
What is Hydra Tool? Hydra Tool (hydratool.com) is a professional Qualcomm-specialist GSM tool focused on unlock, FRP bypass, IMEI …
DC-Unlocker — Modem, Router & Phone Unlock Specialist
What is DC-Unlocker? DC-Unlocker (dc-unlocker.com) is a veteran GSM tool specializing in modem, router, and phone unlocking. Activ…
Sigma Plus / Sigma Pack — Mediatek & Qualcomm Service Tool
What is Sigma? Sigma (sigmakey.com) is a professional multi-brand mobile phone servicing platform with module-based architecture. …
DeviceSavior Tool — Professional Phone Diagnostic & Repair Solution
What is DeviceSavior? DeviceSavior (devicesavior.com) is a professional remote phone servicing platform that processes repair oper…
SamKey — Samsung Unlock Specialist Tool
What is SamKey? SamKey (samkey.org) is a dedicated Samsung-only unlock and servicing tool. While many GSM tools cover dozens of br…
XinZhiZao — Professional Schematic & Board View Software
What is XinZhiZao? XinZhiZao is a professional schematic, board view, and repair resource software platform originating from China…
Octoplus FRP Tool — Specialized FRP & Screen Lock Removal
What is Octoplus FRP Tool? Octoplus FRP Tool (octoplusfrptool.com) is a specialized FRP (Factory Reset Protection) and screen lock…
CF-Tools — Cloud-Based Phone Servicing Platform
What is CF-Tools? CF-Tools (Cloud Flash Tools) is a cloud-based mobile phone servicing platform that processes repair operations t…
OrionSchematics by ESTECH — Mobile Phone Schematic & Board View
What is OrionSchematics? OrionSchematics by ESTECH is a professional mobile phone schematic and board view software designed for h…
S-Tool Pro — Samsung Specialist Servicing Tool
What is S-Tool Pro? S-Tool Pro is a Samsung-specialist servicing tool focused on providing deep Samsung Galaxy device operations. …
JCID Schematic — Mobile & Computer Repair Schematic Solution
What is JCID Schematic? JCID Schematic (jcid.com) is a professional schematic and board view platform developed by JCID — a compan…
Pragmafix Tool — Professional Schematic & Repair Software
What is Pragmafix? Pragmafix is a professional schematic and board repair reference software for mobile phone hardware technicians…
TFM Tool Pro — Multi-Brand Flash & Unlock Solution
What is TFM Tool Pro? TFM Tool Pro (tfmtool.com) is a professional multi-brand phone flash, unlock, and repair tool originally dev…
Cheetah Tool — Fast & Reliable Phone Engineering Tool
What is Cheetah Tool? Cheetah Tool is a multi-brand phone engineering tool designed for fast unlock, FRP bypass, IMEI repair, and …
Sim-Unlocker Pro — Dedicated SIM Network Unlock Tool
What is Sim-Unlocker Pro? Sim-Unlocker Pro is a dedicated SIM network unlock tool focused on removing carrier locks from phones so…
MobileSea Tool — Comprehensive Mobile Service Platform
What is MobileSea Tool? MobileSea Tool is a comprehensive mobile service platform providing multi-brand Android device operations …
AndroidWinTool (AWT) — Android Device Management & Repair
What is AndroidWinTool (AWT)? AndroidWinTool (AWT) is an Android device management and repair tool providing multi-brand operation…
Smart Tool Pro — Advanced Multi-Platform Phone Service Tool
What is Smart Tool Pro? Smart Tool Pro is an advanced multi-platform phone service tool supporting operations across MediaTek, Qua…
TMT Pro Tool — Professional Phone Unlock & Repair
What is TMT Pro Tool? TMT Pro Tool is a professional phone unlock, FRP bypass, and repair tool supporting multi-brand Android devi…
Piranha Tool — Multi-Brand Unlock & FRP Bypass Tool
What is Piranha Tool? Piranha Tool is a multi-brand unlock, FRP bypass, and firmware flash tool covering a wide range of Android d…
XiaomiKEY / XiaomiOTPLogin — Xiaomi Device Specialist Tools
What is XiaomiKEY / XiaomiOTPLogin? XiaomiKEY and XiaomiOTPLogin are specialized tools focused exclusively on Xiaomi device servic…
DFT / DT Pro Tool — Samsung & Multi-Brand Unlock Specialist
What is DFT / DT Pro Tool? DFT (Device Flash Tool) and DT Pro Tool are Samsung and multi-brand unlock/flash specialist tools. DFT …
KingTool — Multi-Brand Phone Servicing Solution
What is KingTool? KingTool is a multi-brand phone servicing solution providing FRP bypass, IMEI repair, network unlock, firmware f…
EVO Tool Unlock — Phone Unlock & FRP Specialist
What is EVO Tool Unlock? EVO Tool Unlock is a phone unlock and FRP bypass specialist tool focused on fast carrier lock removal and…
Fast Unlocker Pro — Quick Phone Unlock Solution
What is Fast Unlocker Pro? Fast Unlocker Pro is a quick phone unlock solution focused on fast carrier lock removal and FRP bypass.…
General Unlocker / Global Unlocker Pro — Universal Unlock Solution
What is General Unlocker / Global Unlocker Pro? General Unlocker and Global Unlocker Pro are universal phone unlock solutions prov…
SGX Tool — Samsung Galaxy Unlock & Repair Specialist
What is SGX Tool? SGX Tool (Samsung Galaxy Xpert) is a Samsung-specialist unlock and repair tool dedicated to Samsung Galaxy devic…
E-GSM Tool — Efficient GSM Phone Service Solution
What is E-GSM Tool? E-GSM Tool (Efficient GSM) is a multi-brand phone service solution providing FRP bypass, IMEI repair, network …
Pandora Box / Pandora Online — Mediatek Chipset Specialist
What is Pandora Box / Pandora Online? Pandora Box and Pandora Online are MediaTek (MTK) chipset specialist tools focused on advanc…
Micro Box — Multi-Brand Phone Activations
What is Micro Box? Micro Box is a multi-brand phone activation and service tool providing unlock, FRP bypass, IMEI repair, and fla…
Firmware Tools — File Download & Flash Services
Firmware Tools — File Download & Flash Services Firmware tools and services provide technicians with the correct firmware files ne…
Box Activations — Multi-Brand GSM Tool Activations
What Are Box Activations? Box activations are additional modules or feature packs that extend the capabilities of hardware GSM too…
Android Multi Tool (AMT) — Vivo Credits & Multi-Brand Service
What is Android Multi Tool (AMT)? Android Multi Tool (AMT) is a multi-brand Android servicing platform that includes specialized V…
Canva Tool — Professional Design Platform Credits
What is Canva? Canva (canva.com) is a professional online graphic design platform used by millions of individuals, small businesse…
FlexUnlock Tool — Flexible Phone Unlock Solution
What is FlexUnlock Tool? FlexUnlock Tool is a flexible multi-brand phone unlock solution providing carrier lock removal, FRP bypas…
DZKJ Phone Repair Tools — Professional Hardware Repair Equipment
What are DZKJ Phone Repair Tools? DZKJ is a professional hardware repair equipment manufacturer specializing in physical repair to…
TSM Tool — Phone Unlock & Servicing Platform
What is TSM Tool? TSM Tool is a multi-brand GSM servicing tool providing network unlock, FRP bypass, IMEI repair, and flash capabi…
WorldlinkGSM KG Tool — Official Distributor Services
What is WorldlinkGSM KG Tool? KG Tool by WorldlinkGSM is a Samsung-focused GSM tool specializing in KG (Knox Guard) bypass and Sam…
Xiaomi Fix Pro Tool — Advanced Xiaomi Device Repair
What is Xiaomi Fix Pro Tool? Xiaomi Fix Pro is a dedicated Xiaomi/Redmi/POCO repair tool focused on deep-level operations that req…
Xiaomi Fire Tool (XFT) — Fast Xiaomi Firmware Operations
What is Xiaomi Fire Tool (XFT)? Xiaomi Fire Tool (XFT) is a Xiaomi/Redmi/POCO servicing tool built for speed and reliability in hi…
Buy XFT AuthFlash Tool Credits — Pricing, Delivery & Setup Guide
XFT AuthFlash Credits — Quick Overview XFT AuthFlash Tool credits are the in-software currency consumed by Xiaomi Fire Tool (XFT)…
Xiaomi Fire Tool (XFT) Supported Models: Complete Xiaomi/Redmi/POCO Device List (2026)
XFT Supported Devices — Overview Xiaomi Fire Tool (XFT) supports all current Xiaomi, Redmi and POCO devices across both MediaTek …
XFT AuthFlash Explained: What It Is, How It Works & When to Use It
What Is XFT AuthFlash? XFT AuthFlash is a dedicated cloud-authentication module within Xiaomi Fire Tool (XFT) that enables firmwa…
Xiaomi Speed Tool — Quick Xiaomi Unlock & Repair
What is Xiaomi Speed Tool? Xiaomi Speed Tool is a fast Xiaomi/Redmi/POCO repair solution designed for quick turnaround on the most…
Xiaomi King Tool — Premium Xiaomi Servicing Platform
What is Xiaomi King Tool? Xiaomi King Tool is a comprehensive Xiaomi/Redmi/POCO repair platform with broad model coverage and deep…
Xiaomi Repair Tool (XRT) — Xiaomi Device Recovery
What is Xiaomi Repair Tool (XRT)? Xiaomi Repair Tool (XRT) is a Xiaomi device repair solution providing Mi Account lock removal, F…
XM AUTH TOOL / Xiaomi BD AUTH — Authorization Services
What is XM AUTH TOOL / Xiaomi BD AUTH? XM AUTH TOOL (also known as Xiaomi BD AUTH) is a specialized tool focused on Xiaomi authent…
XIAOMI FLASHER PRO — Professional Xiaomi Firmware Flash Tool
What is Xiaomi Flasher Pro? Xiaomi Flasher Pro is a dedicated firmware flashing tool for Xiaomi, Redmi, and POCO devices. Unlike m…
Xiaomi/Redmi Tools — Complete Guide to Xiaomi Servicing
Xiaomi/Redmi Repair Tools Overview The Xiaomi ecosystem (Xiaomi, Redmi, POCO) presents unique repair challenges that have spawned …
Nokia HMD Tool (Phoenix) — Nokia & HMD Device Specialist
What is Nokia HMD Tool? Nokia HMD Tool is a specialized repair tool for HMD Global Nokia smartphones and feature phones. Since HMD…
Meow RealMe Tool — Realme & OPPO Device Specialist
What is Meow RealMe Tool? Meow RealMe Tool is a dedicated repair tool for Realme smartphones. Realme (a subsidiary of BBK Electron…
MH Unlocker Pro — Multi-Brand Unlock & FRP Tool
What is MH Unlocker Pro? MH Unlocker Pro is a multi-brand phone unlock and repair tool providing carrier unlock, FRP bypass, IMEI …
DF-Tool — Professional Data Format & Repair Tool
What is DF-Tool? DF-Tool is a multi-brand GSM servicing platform offering network unlock, FRP bypass, IMEI repair, and firmware fl…
Key Tool / Samsung FRP Tool — Samsung Unlock Specialists
What is Key Tool / Samsung FRP Tool? Key Tool (also marketed as Samsung FRP Tool) is a Samsung-focused tool specialized in FRP (Fa…
SamsungTool.us — Samsung Online Service Platform
What is SamsungTool.us? SamsungTool.us is an online Samsung service platform providing server-based Samsung operations. Unlike des…
Pixel Pro Tool — Google Pixel Device Specialist
What is Pixel Pro Tool? Pixel Pro Tool is a specialized repair tool for Google Pixel smartphones. Pixel devices run stock Android …
GPT-PRO Tool — Professional GSM Phone Tool
What is GPT-PRO? GPT-PRO is a multi-brand GSM repair tool providing unlock, FRP bypass, IMEI repair, and flash operations with sup…
GSD Dongle — Multi-Platform Phone Service Dongle
What is GSD Dongle? GSD Dongle is a hardware-based (USB dongle) GSM repair tool providing multi-brand unlock, FRP bypass, and IMEI…
GUERRA TOOL — GSM Servicing Tool
What is GUERRA TOOL? GUERRA TOOL is a multi-brand GSM servicing platform providing unlock, FRP bypass, IMEI repair, and firmware f…
HW-Key Tool — Huawei & Honor Device Specialist
What is HW-Key Tool? HW-Key Tool is a Huawei/Honor-focused repair tool specializing in the unique security challenges of Huawei's …
Easy Jtag / Easy Jtag Plus — Professional eMMC & UFS Programmer
What is Easy-JTAG Plus? Easy-JTAG Plus (by Z3X Team) is a professional hardware-level (JTAG/ISP/eMMC/UFS) repair tool — one of the…
Motorola Tools — Unlock, Flash & FRP Solutions for Motorola
Motorola Repair Tools Overview Motorola repair tools address the specific technical challenges of servicing Motorola/Lenovo smartp…
Avengers Box — Multi-Brand Phone Service Box
What is Avengers Box? Avengers Box is a hardware-based (USB box/dongle) multi-brand GSM repair tool that runs on the NCK/UMT platf…
Wuxing / WXJ / FIVESTAR Tool — Chinese Brand Specialist
What is Wuxing (WXJ)? Wuxing (also known as WXJ) is a Chinese-developed multi-brand GSM repair tool with particularly strong suppo…
T-Unlock Credits — Universal Phone Unlock Credits
What are T-Unlock Credits? T-Unlock is a server-based (remote) unlock service where operations are processed on T-Unlock's servers…
Mdm-Fix-Tool — MDM & iCloud Bypass Solutions
What is MDM-Fix-Tool? MDM-Fix-Tool specializes in MDM (Mobile Device Management) removal — a specific category of device lock used…
GAWANSMIRT UNLOCKER PRO — Professional FRP & Unlock Tool
What is GAWANSMIRT UNLOCKER? GAWANSMIRT UNLOCKER is a multi-brand phone unlock and repair tool offering carrier lock removal, FRP …
GAPro Login Tool — Account Login & Verification Service
What is GAPro? GAPro (GA Pro) is a multi-brand GSM service platform providing phone unlock, FRP bypass, IMEI repair, and flash ope…
RFT Login Tool — Remote Flash & Service Tool
What is RFT (Remote Firmware Tool)? RFT (Remote Firmware Tool) is a cloud-based firmware flashing and phone repair platform. RFT p…
imobiletool — Mobile Phone Service Platform
What is iMobileTool? iMobileTool is a multi-brand mobile phone repair platform providing unlock, FRP bypass, IMEI repair, and flas…
Mobile1Tech — Professional Mobile Technology Tool
What is Mobile1Tech? Mobile1Tech is a multi-brand mobile repair tool providing unlock, FRP bypass, IMEI repair, and firmware flash…
TR TOOLS — Turkish GSM Service Tool
What is TR TOOLS? TR TOOLS is a multi-brand GSM repair platform from the Turkish GSM tools market. TR TOOLS provides unlock, FRP b…
IPTV Subscriptions — Internet TV Service Credits
What are IPTV Subscriptions? IPTV (Internet Protocol Television) delivers television content over IP networks instead of tradition…
Cryptocurrency Services — USDT, Bitcoin & Crypto Credits
Cryptocurrency Services Cryptocurrency services at Code-GSM help GSM professionals and businesses navigate digital currency transa…
Gift Cards — iTunes, Google Play, Amazon & More
Gift Cards at Code-GSM Digital gift cards provide instant delivery codes for major platforms and services. Code-GSM offers gift ca…
Gaming Credits — PlayStation, Xbox, Steam & More
Gaming Credits at Code-GSM Gaming credits are virtual currency used within popular mobile and PC games. Code-GSM provides digital …
Software Subscriptions & Licenses — Professional Tools
Software Subscriptions at Code-GSM Software subscriptions provide time-limited access to professional software tools and platforms…
Apple iCloud & MDM Services — Lock Removal Solutions
Apple iCloud & MDM Services Apple iCloud lock (Activation Lock) and MDM (Mobile Device Management) are the two most common Apple d…
Samsung Account Services — Samsung Reactivation & FRP
Samsung Account Services Samsung Account lock (also called Samsung Reactivation Lock or Find My Mobile lock) is Samsung's equivale…
