Release the buttons as soon as you see the Samsung logo. Your device will boot into the TWRP recovery interface. Step 3: Wipe the Device In the TWRP main menu, tap on . Select Advanced Wipe .
Click to flash. As soon as the phone restarts, immediately hold Volume Up + Home + Power to boot into your newly installed TWRP Recovery. Step 3: Wipe Existing Firmware
However, the most important rule is Installing a custom ROM on an older device like the Galaxy S3 (likely the GT-i9300) carries risks.
What (Windows, macOS, Linux) are you using on your computer to assist with the process? Share public link samsung s3 custom rom android 10 link
Once the ROM finishes flashing, do not reboot yet. Return to the menu. Select the OpenGApps Pico/Nano zip file . Swipe to flash. Step 6: Wipe Cache and Reboot
The core features like audio playback & recording, graphics, camera, sensors, RIL (SMS, calls, mobile data), Wi-Fi, USB, and video playback (HW/SW) are all functional.
Note: Download the .img.tar version if you are using Odin on Windows. 2. Android 10 Custom ROM (LineageOS 17.1 Unofficial) Release the buttons as soon as you see the Samsung logo
Do not expect to play heavy games. This is best for a "classic" experience or a secondary device.
Features like hardware video decoding for high-definition video may be broken, forcing software rendering which drains the battery quickly.
A custom recovery replaces the stock recovery menu, allowing you to wipe partitions and flash unsigned zip files. Team Win Recovery Project (TWRP) is the industry standard. Select Advanced Wipe
ARM (The Galaxy S3 uses a 32-bit Exynos processor) Android: 10.0
What is showing on your phone or computer screen? At which step of the guide did the process stop working?