A166B U4 Hard Reset (Factory Reset) [By Download Mode] OS15 [A166BXXS4BYG1].tar.rar
Please login to write a review
Login to ReviewMeena M.
Dec 30, 2025
The firmware file downloaded quickly and installed without any issues. Device performance noticeably improved.
Vikram V.
Dec 1, 2025
100% tested FRP file. Removed the lock without losing baseband or IMEI. Highly recommended.
Deepak I.
Nov 28, 2025
Firmware file was genuine and matched the expected version perfectly. Great experience overall.
Priya M.
Nov 1, 2025
Board software worked perfect. Wrote the partitions and the phone is alive.
Rohan S.
Sep 23, 2025
Perfect file! My phone is running super fast after flashing this. Thanks a lot.
Sanjay D.
Sep 13, 2025
Firmware installed smoothly with no interruptions. Would definitely download from this source again.
One-time purchase
