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[Completed] [Q] XOLO A500S MTK6572 nvram related problems

Hi, Everyone
I am new to flashing of MTK based phones and found that they are relatively tough to flash for an amateur to start on for a beginner. I had fortunately taken a incomplete backup of my phone which is why I was unable to solve majority of the simple problems that I am currently facing. I saw that, MTK Droid Tools can be used to restore the NVRAM from a backup to restore the previous IMEI, Bluetooth address, WIFI address, GPS address but the software was asking for a .bin or .tar file and unfortunately I didn't know about NVRAM until now and I don't have the .bin nor the .tar file but what I currently have now is data.ext4.tar from my stock rom which has a folder called "nvram", I was thinking of manually replacing the folder I have with the folder in the root but I need a better solution than that. How can I convert or pack that folder as a .tar or a .bin file?
Regards,
Ranajoy

Duplicate thread. User already posted in the right forum.
http://forum.xda-developers.com/showthread.php?t=2574637

[Completed] Open file userdata.backup !!!

hi
Dear brothers
I have a Chinese phone named landvo l600s processor mtk6732
I worked with him backup Recovery formal device
It was backup name
userdata_20150905_231751.backup
The problem I am having lost file nvram change rom
I could not download the file and I could not open the file in order to come out of him nvram file
Is it any way to open it or downloading to the device
Is it a way to dismantle it or turn it into a normal rom

I Need 1S(X507)'s NVRAM File

HI
My Phone NVRAM Partion Is Removed. To Repair I need This Phone NVRAM DB file
Please Please Help Me...

mkia said:
HI
My Phone NVRAM Partion Is Removed. To Repair I need This Phone NVRAM DB file
Please Please Help Me...
Click to expand...
Click to collapse
https://androidmtk.com/use-sn-write-tool
see this and write down everything on a paper first
wifi address
bluetooth address
IMEI 1 - find on the box
IMEI 2- find on the box
and fllow the instructions on the site or google for other tutorials on this tool

Need a qcn file for MI 4 LTE-CU PLEASE

Hey guys,
Does anybody have a qcn back-up file for the MI 4 LTE-CU?
I need it very bad. I flashed wrong modem firmware and now my nvram (12, 13, 16th partition) is corrupted . I have no IMEI, baseband and cellular info.
Hope someone can help me.
Ruud

Try Qualcomm IMEI Writer or QPST tools.

I tried them both but I need a qcn file complete. I do not know how to write a complete qcn file myself.
If I can get a similar qcn file from the same device I can change the IMEI into my own using QPST and a heximal IMEI converter.

rudge79 said:
I tried them both but I need a qcn file complete. I do not know how to write a complete qcn file myself.
If I can get a similar qcn file from the same device I can change the IMEI into my own using QPST and a heximal IMEI converter.
Click to expand...
Click to collapse
dropbox.com/s/nhf0he391kmtrou/mi4.QCN?dl=0[/url]

yingice said:
dropbox.com/s/nhf0he391kmtrou/mi4.QCN?dl=0[/url]
Click to expand...
Click to collapse
Is it the LTE FDD version of MI4? I tried to flash it using QPST but no success so far.
It can not reset NVram it says. Complaining about incompatible model number.
Thanks for your help! I going to examine the file later this week and then give it another try. Probably coming weekend.
Greetings

It works!! Finally I got it. I used XVI32 writer to change the IMEI in the above qcn file. With Qfil I was able to restore the adopted qcn file.
Many thanks for sharing, Yingice!!
Solved!

Nokia 3 build number and serial number lost

Hello,
so I accidentally flashed Nougat through SPF Tools and choose format all + download, so I lost both serial numbers and also Build number..
I searched all over the forums and found multiple threads here and there, but the problem is I don't have original serial number, I've searched in the phone box and found nothing.. I cannot open bootloader nor flashing TWRP through SPFT works..
Any idea how I can retrieve build number back?

NVM, I fixed it. If anyone had this problem you can contact me.

Hello
hello I have the same problem can you help me

Ga1lan said:
NVM, I fixed it. If anyone had this problem you can contact me.
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Hey!
same problem please help

Ericksebitas said:
hello I have the same problem can you help me
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Qgmad said:
Hey!
same problem please help
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Click to collapse
ibb. * co/kBfGDNX
When you open the firmware folder there is another folder in it called extra files. In that there are 2 files named nvram and proinfo. You have to flash those files too.
ibb. * co/y0c5fJs
You have to change android scatter file in the main folder. Open android scatter file and search for nvram Just change file_name : nvram.bin and is_download : true as shown in the image. Then search for proinfo (proinfo.bin) and do the same. Then copy both nvram.bin and proinfo.bin to main folder While flashing, only uncheck preloader and flash everything as Download only .
ibb. * co/GCSXV5d
ibb. * co/VL0wJdk
P.S. : I was having a problem (error :2004). But it was solved after I updated my phone to android pie.
But after the flash my phone was not starting. It was just vibrating after every couple of seconds, and the same error kept showing up when I tried to flash the files again.
turns out that the problem was the Download-Agent. So I changed that and the flashing went perfectly.
Helped by Ga1lan