Samsung Galaxy S2 in 2024: Is it even usable at ALL?
Cannot boot into TWRP on Samsung Galaxy S2
Extract the LineageOS zip and find the boot.img file. Take this file, Heimdall, and TWRP image and place them into a common folder. Then download this to the folder and make sure the file matches with the given md5 checksum. Then put the device into download mode and run heimdall flash --repartition --pit I9100_1.5GB-System_6GB-Data_512MB-Preload_by-the.gangster.pit --KERNEL boot.img --RECOVERY twrp-3.1.0-0-i9100.img to flash the files.
Basically what this is doing is flashing a custom kernel, recovery, and pit. The S2 has a weird way that it deals with recovery. It technically has a recovery partition but it isn't used and instead the recovery is usually installed with the kernel. What flashing the custom kernel does is the LineageOS kernel contains a thing called IsoRec that redirects the device to the recovery partition (where TWRP is) when recovery is booted. Flashing the PIT is for a separate issue where the system partition is too small to flash LineageOS. Be careful though because flashing the wrong PIT can brick your device.
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Hello fellow Samsung redditors. I understand the S2 is seriously outdated and is over 10 years old at this point. I understand you all will highly object to using it this year. However, if I were to buy one of these smartphones in 2024, how would they fare? Just wanted to let you know, I might try a challenge where I stay with this phone for a week or so.
Posting this here, because somehow, the moderators of r/Samsung didn’t like it and disapproved it before it was featured.