After backup of NVRAM partition you will have to no longer worry
about losing Coolpad Note 3 or any other MT6595/6752/6732/6753/6735/8173/2601/6795/8163/8590/6580/6570
based device’s IMEI, MAC address, Bluetooth address etc. So, lets see How we
may do that so if accidentally we lose IMEI, MAC etc. then we will be able to
restore that back.
We will need following tools/files to this whole process:
1. Drivers
2. Sp flash tool
3. Scatter file
Now first you have to install your MTK drivers. If you
have already installed drivers to your PC then leave this step.
After driver installation download your scatter file, open
that and Search for the word “NVRAM”.
Note down the values of “physical_start_addr:” and “partition_size:”
(different devices have different values. For coolpad note 3; values are 0x380000
and 0x500000 respectively.
Now download Sp flash tool and open that. Select the scatter
file and then click on Readback.
After that click on Add and then double click
on created file.
Chose a folder to save this and name the file as nvram.img and
click save.
Then Fill the values noted previously to "Start Address" and the
"Length".
Click OK, then
click the "Read Back", turn off your phone, connect your mobile phone
to the computer using USB cable. Wait for the completion of readback process,
you will get a NVRAM. img file inside the folder selected above.
How to restore back:
Open the your scatter file and search the NVRAM.rename file
name from “None” to “nvram.img” and is_download:as
“false” to “true” .
Now open flashtool and select the modified scatter file and
select only nvram.img.Click on Download.
Turn off your phone; connect your
mobile phone to the computer using USB cable. wait for the completion of download
process, Disconnect your phone after process completion and restart your phone,
you will find the lost MAC address, IMEI, Bluetooth, etc. have already come
back.
Congratulations, you have successfully restored you lost MAC
address, IMEI, Bluetooth, etc.
Video tutorial
About The Admin Of This Blog:
Hello, My Name Is Md Rajaul(Atrvscet@xda forum),the man behind anythingultimate.in,a blog dedicated to development of ROM,Recovery and Modding of Coolpad Note 3, Spice Mi 535, Elephone vowney lite etc.Goal of this blog is to collect and provide best available information related to these phones.
Stay Connected With Me On GooglePlus, Facebook And Twitter
Please Give me Scratter file of Coolpad note 3....
ReplyDeletethankss for the posttt
ReplyDeletesir but still my wifi mac adress is different after restoring
ReplyDeleteBROM ERROR
ReplyDeleteS_SECURITY_SECURE_USB_DL_IMAGE_SIGN_HEADER_NOT_FOUND(6045) MSP ERROR CODE :0x00
How to fix this error
Having same error
DeleteCan send me nvram backup from you k4 note? Plis help me sir i need this nvram for fixing my k4 after format and i lost imei and mac address,,
ReplyDeleteCan send me nvram backup from you k4 note? Plis help me sir i need this nvram for fixing my k4 after format and i lost imei and mac address,,
ReplyDeleteHelp me to cpn3 mm recovery guide
ReplyDeletethis scatter file can be used for coolpad note 3 plus too ? oronly coolpad note 3 ?
ReplyDeleteCan't understand what you want to say. Please describe step by step. I want backup of IMEI and come to your blog but can't understand process because it is not clear. Some step is missing otherwise good work.
ReplyDeleteCan't we back it up using twrp recovery
ReplyDeleteI do not have a PC, is there a way to backup the needed y6 max NVROM to SDCARD using the android device itself?
ReplyDeletetry mobileuncle tool to update imei manually
Deletethank you for the post
DeleteCan you send me a link with the scatter file for stock LEAGOO Z5 rom or an nvram backup, or both, because i accidentally deleted them and lost imei and can't find a way to change it.
ReplyDeletei did all above steps, it showed ok. then i disconnected my phone and now its not starting at all. no charging, nothing , what to do?
ReplyDeleteplease answer as soon as possible.
i was trying to install 8676-I02 6.0 V22 image marshmallow update as given on this forum. so i installed the drivers on windows 7 ultimate laptop, it showed drivers installed, i did not attach phone to laptop while installing drivers, but laptop showed drivers installed. then i tried to backup nvram as described here, i did exactly as described, created file nvram.img and then clicked on readback button and i shut down my phone and attached it to laptop. laptop showed installing drivers, drivers installed and ready to use, and then sp flash tool showed ok, and green arrow. i checked the folder and nvram.img file was created in the folder. now i closed sp flash tools and disconnected the phone fro usb cable and tried to switch it on bit it did not start, there is no charging, phone is not showing anything. i had not enabled usb debugging.
ReplyDeleteso please help regarding this. please look into the matter and reply fast.
Yes! Thank you so much for this tutorial, it's more simple to restore al data... I needed to restore the IMEI's numbers after a ROM flash becouse I lost them. I used Engineer Mode MTK application for Android... it works, but is more complicated... and I don't know how to use that awesome tool to restore MAC, bluetooth address, etc...
ReplyDeleteSo, once again, thank you very much Rajaul!
it does not work. still same problem. invalid imei, navram wifi warning. tested on MTK6737
ReplyDeleteIt will work if you have taken backup before rooting your phone or doing any modification with phone's system.If not working in your case use maui meta method to restore IMEI
Deletei dont find MT67xx fie on my phone.
ReplyDeleteCan you help me?
I don't find mt67xx file on my BL7000
ReplyDeleteCan you help me ?
I got this: "ERROR: STATUS_BROM_CMD_SEND_DA_FAIL (0xC0060003)
ReplyDelete[HINT]:" after the step "Click OK, then click the 'Read Back', turn off your phone, connect your mobile phone to the computer using USB cable. Wait for the completion of the readback process, you will get a NVRAM.img file inside the folder selected above."
Any idea what this error means?
Try to first click on the download with the phone not connected, then press the volume down on the phone, then connect to the PC and release the volume down when the red strip starts (with my doogee bl7000 it worked)
DeleteTry to first click on download with the phone not connected, then press volume down on the phone, then connect to the PC and release volume down when the red stripe starts (with my doogee bl7000 it worked)
ReplyDeleteMy problem, however, is another: after unlocking the bootloader, I realized that I had already lost the imei. So I tried to continue to get the root permissions thinking that I would be able to fix (I thought: with the permission to root everything is possible), but after many days and nights I came to the conclusion that it could not be done. So with a lot of work (day and night) I managed to get back to the starting point (flash rom with sp flash tool and then even now I can choose between maui meta, sn write tool and typing from the phone keypad *#8813# and they all work to write the imei when the bootloader is locked).
ReplyDeleteIn theory now, applying the method described above should work, but does not work and I say so many, but many tests (I also tried with nvdata, to format the affected partitions, to do the flash from fastboot before nvram.img, then nvdata.img, then nvdata.img followed (without rebooting the device) from nvram.img ... is there any other proof I could do?
Can u please provide me the backup of stock rom of coolpad note 3 which is accidendlt deleted by me and now it shows no os installed
ReplyDelete