Dr.Ketan ROM for S23 Ultra for S918B & S911BFull ROM : Installation like a breeze, Full ROM includes full components of ROM and you can one step install ROM on any previous version of ROM without updating firmware. More info below.Supported device : S918B & S911B - System-RW, Full ROM with ROM Tool (Custom features)Support to S911B will be remain based on user base and may discontinue if time doesn't permits.We do support ROM usually 2-3 years (may...Read more