Is TWRP OS-version specific?

Question

I have a Vsmart Joy 1 phone, running VOS/Android 8.1.0



I found a port of TWRP recovery for Vsmart Joy 1s here (translation), but it says "Android 9.0 VOS..."



Does this mean that I should/have to upgrade to VOS/Android 9.0 to be able to use TWRP properly (the end goal is to root the phone)? Or, can I flash it on my phone as is, without upgrading?


— Sam | Sources

Answer

yes, TWRP is built OS-version specific



the reason is changes in android versions may differ in




  • encryption type

  • file system type

  • partition layout

  • mount point



most (if not all) updates are backwards compatible. that means the TWRP is ready for android 9 but you can still run android 8 on your device


— alecxs | Sources

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