Junior Member
Dec 4, 2019
help solution... proses flasing imei and baseband unknow/null oppo f9

Power off the phone, disconnect and reconnect the battery(if possible) and connect USB cable...
Hold the VOL UP to force MediaTek BootROM.
Scanning BootROM or Preloader port... Done
Detected [BootROM] MediaTek USB Port (COM4)
Connection status: EHCI:HUB:HUB:HUB:HUB:USB 1.10 High-Speed
USB Driver: [MediaTek Inc.] wdm_usb, version: 3.0.1504.0, date: 1-22-2016
Connecting Bootrom...
Sending Download Agent...
Platform: MT6771, Hw ver: 0xCA00, Sw ver: 0x0000
Secure config: 0x00
Error: -1073283068 (STATUS_DA_HASH_MISMATCH)
Hash (integrity) check of the images being flashed failed.
Error: -1073283068 (STATUS_DA_HASH_MISMATCH)