How to install Custom Recovery on Galaxy A10s

How to install TWRP:

- Backup all media before proceeding, this will erase everything in your internal storage including music and photos

- Fully unlock bootloader in settings, in download mode and then in settings again. Follow the tutorial in "https://telegra.ph/How-to-Unlock-Bootloader-on-Galaxy-A10s-08-19" to see full tutorial on how to do this step

- Boot to download mode and load VBMeta disabler file in AP

- Disable [Auto Reboot] in Odin

- Flash

- Force a reboot by pressing VOL+, VOL - and POWER buttons at the same time

- After the screen goes black, IMMEDIATELY let go of all buttons and IMMEDIATELY press and hold both volume buttons at the same time to boot download mode again

- Now add TWRP tar file in AP in Odin

- Disable [Auto Reboot] in Odin

- Flash

- Force a reboot by pressing VOL - and POWER buttons at the same time

- After the screen goes black, IMMEDIATELY let go of all buttons and IMMEDIATELY press and hold VOL+ and POWER button at the same time to boot to TWRP Recovery

- After booting to TWRP successfully, go to WIPE in TWRP

- At the bottom, you should see an option to FORMAT DATA. After you select it, you will be asked to type "yes" in your keyboard. If you do not see this, you probably selected the wrong option.

- After formatting data, flash the Encryption Disabler "https://raw.githubusercontent.com/MizuNotCool/ItzKaguya-RecoveryBuilder/main/A10s-encryption-disabler.zip" with TWRP. and Format Data again

- After doing this, boot back to system and you are done

- Wait patiently for the device to boot for the first time