www.chinaphonearena.com

Ok I have reflashed with firmware upgrade now, I didn't use the drivers that you have uploaded because I have already the latest. Windows said that there is newer version installed in my system, so I used those.

Now, the flash completed succesfully (like the all the rest that I have done). I powered the device, I saw the oukitel log and animation but it froze after the animation showing the logo. It rebooted several times always showing the oukitel logo only and not playing the animation. After five minutes it rebooted again it shows up the oukitel logo and start the animated logo also but freezes without completing the animation. I think it is dead, I give up, if you have a stock and signed rom to flash it would be the last thing that I can try.
Also if I use the following will be able to boot my device avoiding the bootloader, unlocking oem?

fastboot boot boot.img

Tried, doesn't work with locked device.

@Hazuki :

I do not know what to tell you.
I have had NO problem to flash the Nougat stock firmware.

I have flashed it with success (Firmware Upgrade) on Linux OS ... look :



I have flashed it with success (Firmware Upgrade) on Windows OS ... look :



I have done a downgrade with success from Nougat to Marshmallow ... look :



Many people have had serious problems to flash it.
Why do NOT I have any problem to flash it ?
Can somebody please explain to me why do NOT I have any problem ?


Please, do me the next big favor :

Flash the Marshmallow firmware and never update your U7 Plus to Nougat.

I am exhausted

Well I don't blame you just Oukitel for releasing a firmware without testing.
For the heck of it I flashed the twrp for the nougat firmware that you suggested.
It installs fine and I can boot to it, I even installed the supersu and the busybox packages. Also no errors during the installation of those packages.

Rebooted the device, left it for three hours on but again nothing.

When booting to twrp asks for a password to mount /data partition. What is this password needed for or do you know?

I will try to erase the data and cache partition just in case that might fix the bootloop issue. Any ideas are welcomed. Also which mode in sp flash tool do I use to downgrade from nougat?

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Can you make a backup of your rom with enabled the usb debugging and oem unlock plus root and twrp using sp flash tool and to try flash this image to my phone. This would be very helpfull thank you for your time.

@Hazuki :

Do not blame the Oukitel for your issue to flash the firmware.
I am able to flash the stock firmware.
I showed you with my screenshots.

Please download the V20 Marshmallow stock firmware :

https://mega.nz/#!C49WQbbT!YjPK66SNtsKrV...RDMPhDfBcs

And flash it with SP Flash Tool (Firmware Upgrade option).

Well I think the emmc is fried, made a memory test in sp flash and got this

Quote:============ Memory Detection Report ===========

Internal RAM:


External RAM:

Type = DRAM

Size = 0x80000000 (2048MB/16384Mb)

NAND Flash:

ERROR: NAND Flash was not detected!

EMMC:

EMMC_PART_BOOT1 Size = 0x0000000000400000(4MB)
EMMC_PART_BOOT2 Size = 0x0000000000400000(4MB)
EMMC_PART_RPMB Size = 0x0000000000400000(4MB)
EMMC_PART_GP1 Size = 0x0000000000000000(0MB)
EMMC_PART_GP2 Size = 0x0000000000000000(0MB)
EMMC_PART_GP3 Size = 0x0000000000000000(0MB)
EMMC_PART_GP4 Size = 0x0000000000000000(0MB)
EMMC_PART_USER Size = 0x000000039a000000(14752MB)

UFS:

ERROR: UFS was not detected!

============ RAM Test ============

Data Bus Test:

[D0]
[D1]
[D2]
[D3]
[D4]
[D5]
[D6]
[D7]
[D8]
[D9]
[D10]
[D11]
[D12]
[D13]
[D14]
[D15]
[D16]
[D17]
[D18]
[D19]
[D20]
[D21]
[D22]
[D23]
[D24]
[D25]
[D26]
[D27]
[D28]
[D29]
[D30]
[D31]
OK!!

Address Bus Test:

[A1]
[A2]
[A3]
[A4]
[A5]
[A6]
[A7]
[A8]
[A9]
[A10]
[A11]
[A12]
[A13]
[A14]
[A15]
[A16]
[A17]
[A18]
[A19]
[A20]
[A21]
[A22]
[A23]
[A24]
[A25]
[A26]
[A27]
[A28]
[A29]
[A30]
OK!!

RAM Pattern Test :
Writing ...
0x44332211,

@Hazuki :

Please go to the next thread :

http://www.chinaphonearena.com/forum/Thr...rom?page=4

Please ask to @arnegson

my oukitel is build v20
but unable to flash twrp recovery

keep getting

BROM-ERROR-SDL-GET-DRAM-SETTING-FAIL

I used the SP FLASH from your link and also the recovery

(2017-02-15, 20:34)Ssakura Wrote: [ -> ]my oukitel is build v20
but unable to flash twrp recovery

keep getting

BROM-ERROR-SDL-GET-DRAM-SETTING-FAIL

I used the SP FLASH from your link and also the recovery

Your Windows OS version ? (seven, eight or ten).
Do you have disabled driver signature enforcement ?
Do you have installed the VCOM driver ?

@Cleopatra
I found your note a little too late

The reason for this is very simple : the TWRP interfere with OTA installation.
As soon as possible I will try to find a solution for the V19.0_20161124

Now i have upgrade, and the problem is i cant flash any other rom with SP flash tool or even TWRP.
If you have any solution i would be gratefull

Thanks anyway

(2017-03-18, 04:40)arnegson Wrote: [ -> ]I have done a reinstall on my U7plus. But now I have got a problem with that I lost IMEI numbers on my phone so it can not connect to the network. You can not make calls with the phone. What should I do to restore IMEI numbers?

---

I have done a reinstall on my U7plus. But now I have got a problem with that I lost IMEI numbers on my phone so it can not connect to the network. You can not make calls with the phone. What should I do to restore IMEI numbers?

I suggest you to look for someone (with same device obviously),
who wants to share his nvram backup with you.