Xs11 Custom Rom: Soyes

– The XS11 is a niche, ultra-budget rugged phone. Unlike a Samsung or Xiaomi, no developers own it or care to build ROMs for it.

While official updates do not exist, developers working on Project Treble (a generic system image or GSI) might allow you to run Android 9, 10, or newer. soyes xs11 custom rom

You need a recovery image to flash ROMs. You may need to find a specialized, unofficial TWRP version or use SP Flash Tool to flash it. – The XS11 is a niche, ultra-budget rugged phone