Repair IMEI Null Oppo A71(CPH1717) using UFi Android ToolBox

madgoeslim

Repair IMEI Null Oppo A71 (CPH1717) using UFi Android ToolBox

Imei null in Oppo A71 (CPH1717) is one of the hot cases for now.
These devices use secure mediatek platforms, usually not too hard to fix IMEI on mediatek platforms.
Most cases can be solved via META and AT modes.
But Oppo apparently has a different approach in implementing IMEI this time,
they use what we call "Custom Secure Imei"

Through soft release update UFI software v.1.2.0.442,
we have provided solution to solve Imei problem in Oppo A71 (CPH1717).
These is step by step how to repair it using UFi Android ToolBox:

Step1. Power off Devices. Make Identify Devices,
Hold vol up button while connecting USB to force devices in Mediatek BootRom mode[MTK USB Port].
**Dont forget to Always select Brand, Platform, and Model correctly.

Step2. Go to Special Task and select [Oppo] Custom secure imei patch

After Patch custom secure imei finish,
Power On devices, wait until devices fully boot and enter to homescreen.
Power OFF devices again after that.

Step3. Re-Write Original Imei in Service tab menu.
Please pay attention to windows Log.
Modem Info must be displayed during repair procedure, otherwise it will Failed.
If you face failed in this step, please go to first step,
Make erase nvdata and nvram partitions, and continue to next step

Congratulations, You just Repair Imei Null OPPO A71(CPH1717)

Hope it can help you, and GudLuck.
B.R.
madgoeslim.0f.UFiBox

VJHermansyahLin

jamunya sakti mandra guna

droidxpert

Where is zegobit? We have not been hearing any update from him! In fact master madgoeslim is very talent skilled gentleman. Hope he helps all......

junihananta

not work for mee

liliu

Add oppo A83 A79 A73 Repair IMEI Null fix baseband vers !!!!!!!!!!!!!!

Munda

patch custom secure imei failed

madgoeslim

Munda Hello, kindly post with details log and screenshot for further assistance.

krisna_ghalih

good

GsmMarhaba

New 2020 - Oppo IMEI Repair Permanent Without Credit Thanks To UFi

https://youtu.be/Ez5PNFpuDHQ

100% Tested On Oppo F5, F7, F9, F9 Pro, And A71 With the latest Security Without Credit

madgoeslim

GsmMarhaba This is good news for ufixers, thanks for share with us.

GsmMarhaba

https://youtu.be/tgncn-6FPFQ

it will work on oppo F5, F7, F9, F9 Pro, A71, A73, A83 Unknown Baseband or IMEI null
New - Oppo Unknown Baseband IMEI Null Repair Full Solution
Oppo Offline Flashing With UFi Box, Dongle Without Credit

imranmahaar

v nice boss

GsmMarhaba

https://youtu.be/LjxbJFnNhIc

https://martview-forum.com/threads/20692
How to Repair Oppo F7 Bootloop Hang On the logo, Dead After Flash
Device lifetime: Urgent (Consumed 90% of the reserved block)

Azwar

after repair emmc urgent
i got error when patch secure imei
using ufi v1963 or latest v2016
need help

AUTH info: , version: 0
BROM version[1]: 7.1945.3.0
DA: MTK_AllInOne_DA.bin
hash: ac6312187808a58e62dd43d07aa4b6e64b4cbf86, size: 750.61 KiB
version: 3.3001.00.00, start addr: 0x40000800
Connecting to BootROM...
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 [PL] MediaTek PreLoader USB VCOM_V1632 (Android) (COM14)
Connection status: EHCI:HUB:HUB[#4]:USB 2.10 High-Speed
USB Driver: [MediaTek Inc.] wdm_usb, version: 3.0.1504.0, date: 1-22-2015
Connecting Bootrom...
Sending Download Agent...
Platform: MT6750, Hw ver: 0xCB00, Sw ver: 0x0001
Secure ver: 0x00, BL ver: 0x00
SRAM size: 256 KiB
DRAM size: 2 GiB
Storage type: eMMC
Card/BGA: BGA (Discrete embedded)
Manufacturer ID: 0x90 (SK Hynix)
Product name: HAG4a2 (0x484147346132), rev: 0xA5, serial number: 0x2FD7E054
Manufacturing date: Jun 2017
CID: 90014A48 41473461 32A52FD7 E05464D1
Capacity: 14.69 GiB (15,770,583,040 bytes)
Boot1: 4096 KiB
Boot2: 4096 KiB
RPMB: 4096 KiB
User area: 14.68 GiB(15,758,000,128 bytes)
USB speed: High-Speed

platform: MT6755, cpu abi: arm64-v8a
manufacturer: OPPO
board: full_oppo6750_17351, name: CPH1717
brand: OPPO, model: CPH1717 (OPPO A71)
build id: N4F26M, version: 7.1.1 [Nougat] (CPH1717EX_11_A.02_170815)
build description: full_oppo6750_17351-user 7.1.1 N4F26M 1502731011 release-keys

encrypted imei[1]: null
crypto state: encrypted

[Oppo] Patch custom secure imei... Failed to write at 0x00000000, error 0xC0010003 (STATUS_UNSUPPORT_CMD)
Failed

edit: Done using brom v 7.1729
thanks

Princex

Oppo] Patch custom secure imei not working with many devices 🙁