Rooting and installing TWRP on a Samsung Galaxy A20 (SM-A205) Go to product viewer dialog for this item. allows for extensive customization, though it’s important to note that this process will void your warranty , permanently disable Knox security features, and erase all user data. ⚠️ Essential Pre-requisites Backup Data: This process involves a factory reset; ensure all important files are backed up. Unlocked Bootloader: This is mandatory for installing custom recoveries or rooting. Battery Level: Ensure your device is charged to at least 60% . PC & Cables: You will need a Windows PC with Samsung USB Drivers and a high-quality USB cable. Device Version: Be aware that some US Snapdragon models (like Go to product viewer dialog for this item. ) may have locked bootloaders that cannot be bypassed. Step 1: Unlock the Bootloader
The Ultimate Guide: How to Install TWRP Recovery and Root Samsung Galaxy A20 (SM-A205 Series) The Samsung Galaxy A20 (model numbers SM-A205F, SM-A205FN, SM-A205G, SM-A205U, SM-A205W ) is a popular budget device known for its impressive Super AMOLED display and long battery life. However, like many Samsung mid-rangers, it comes with limitations due to Samsung’s One UI and Knox security. For enthusiasts, the first step toward true customization is unlocking the bootloader, installing a custom recovery (TWRP), and gaining Root access via Magisk. This guide will walk you through the entire process of installing TWRP Recovery for Samsung Galaxy A20 (SM-A205..-) and achieving permanent root.
Part 1: What is TWRP and Why Do You Need It? TWRP (Team Win Recovery Project) is an open-source custom recovery image. Unlike the stock Samsung recovery (which only lets you wipe cache or factory reset), TWRP offers:
Touchscreen interface for easy navigation. Nandroid Backups (full system snapshots). Flashing custom ROMs (LineageOS, Pixel Experience, etc.). Flashing Magisk to gain root access. Partition management (wipe, repair, resize). ADB and MTP support for file management even when the OS is dead. Root TWRP Recovery For Samsung Galaxy A20 -SM-A205..-
Without TWRP, rooting modern Samsung devices (Android 9–11) is nearly impossible due to the system-as-root (SAR) structure.
Part 2: Pre-requisites – Read Before You Start Before attempting to install TWRP Recovery on Samsung Galaxy A20 , you must prepare carefully. ⚠️ Important Warnings
Knox Counter: Unlocking the bootloader and flashing TWRP will trip the Knox eFuse (0x1) . This permanently disables Samsung Pay, Secure Folder, and Samsung Health. It cannot be reversed. Data Loss: Unlocking the bootloader will perform a factory reset, wiping all your data. Back up everything. Warranty: This voids your manufacturer warranty. Correct Model: This guide is strictly for the SM-A205 series. Do not attempt on A205S or A205AZ without verification. Rooting and installing TWRP on a Samsung Galaxy
What You Need
Samsung Galaxy A20 (Any SM-A205 variant). Windows PC/Laptop (with working USB ports). Original USB Cable (data sync capable). Samsung USB Drivers (Download from Samsung Developers). Odin3 (v3.13.x or newer – patched version recommended). TWRP Image file for A20 ( .tar format). Magisk APK (renamed to .zip ). VB Meta Disabler (to prevent boot loops). Brain & Patience – This takes ~30 minutes.
Part 3: Unlocking the Samsung Galaxy A20 Bootloader Samsung locks all bootloaders by default. Here is how to unlock it. Step 1: Enable Developer Options Unlocked Bootloader: This is mandatory for installing custom
Go to Settings → About Phone → Software Information . Tap Build Number 7 times until "Developer mode enabled" appears.
Step 2: Enable OEM Unlocking