Warning: This process involves wiping your device. Proceed at your own risk. Everything on the phone will be erased.
Because Samsung stopped supporting the S2 over a decade ago, you won't find an official "System Update" in the settings. Instead, the transition to Android 13 is made possible via , an open-source custom ROM. samsung galaxy s2 android 13 free
Boot into TWRP by holding Volume Up + Home + Power. Warning: This process involves wiping your device
Here is everything you need to know about getting Android 13 on your Samsung Galaxy S2 for free. samsung galaxy s2 android 13 free
Download the LineageOS 20 build and a "BitGApps" package (if you want the Google Play Store). Step-by-Step Installation Guide (Brief Overview)
If you want Google services, flash the GApps zip immediately after the ROM.