Try this method at your own risk. I am not responsible for any damage to your phone What You Need: 1. Sims 3 bts sims download. NVRAM.bin of Your MediaTek SmartPhone 📱.

If you don’t have nvram.bin backup then [This navram.bin is backed up from MMX Unite 2. Don’t know this works on your phone or not. So flash at your own risk.] 2. SP Flash Tool. Scatter.txt of Your 📱. Some Knowledge About Flashing.

Note: This Guide is based on Unite 2. Procedure: 1. Open Scatter file in any text editor. I prefer Notepad++. • Now find nvram in it. • Now Look for is_download: false.

• Now replace false to true. • Save the scatter file.

• Load scatter in SP Flash Tool. • There will be nvram option. Deselect all files and select only nvram. • Now open NVRAM.bin in sp flash tool.

Jun 23, 2014  These points in memory are contained in a file whose name includes “scatter”, file which must be loaded in the SP Flash Tool. Based on this file, the software will then look for the required components in the same directory in which the “scatter” file resides, listing them afterwards. They are able to write hard IMEI and calibration to NVRAM partition. @ kokabunga - if you have nvram.bin backup you can easily resore it with SP Flash Tool. Just open your scatter file with any text editor, find a __NODL_NVRAM section and remove __NODL_ part from it.

Make sure download only is selected. • Now select download button. • Now connect your phone w/o battery 🔋. • Wait till download completes.

• Disconnect your phone 📱. • Congratulations 🎊!! NVRAM restored & IMEI permanently fixed. So this procedure is only verified with mt65xx chipsets. MTK Droid Tools can’t be used with new 64bit processors (mt67xx).

AFAIK the only chance to obtain a nvram image backup from mt64xx device is to make a flash tool “readback”, but i don’t know if this is the same image of the one obtained by MTK Droid Tools and if it is (successfully) flashable back again with flash tool. I haven’t found any confirmation of that on the net. You have the correct nvram backup, you can give a try and confirm 😉 Thanks. Hi, great tutorial! Though I have some questions.

If you or anyone can answer them I’ll be very greatul. So here are my questions 1. If I do not have a back of nvram.bin, then where can I download it? Does it not come with Stock ROM?

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I have Lenovo Vibe K4 Note powered by Mediatek MT6753 chipset 2. What is the difference between nvram.bin file and modemdb and apdb files that comes with stock ROM? I am able to fix my invalid IMEI problem permanently using Maui Meta 3G tool but the serial number is still all zeroes. Is the nvram.bin file you have provided is a raw file? When I tried to load it into flash tool, it complained that there is no header for the bin file and the process stopped For everyone: Can someone please share an original nvramp.bin file for Lenovo Vibe K4 Note. I am hoping that i I will be able to fix the “serial no” issue with it.

Thanks Liked. Hi Nik, Unfortunately I had a system crash last week and lost all the working drivers and other important files 😦 unfortunately I didn’t had any backup. Since then I too am struggling to get Maui Meta 3G to detect my smartphone. Anyways what I remember is that you need correct modem database file to fix IMEI for K4 Note (MT6753 chipset). This is a very rare database file which I think I found on either Chinese or Russian site when I fixed my device. I had bookmarked the site but it is lost due to crash.

Anyways I have managed to recover on file from my crash system, not sure but hopefully it is the one. Here is a Google drive link for it I saw your comment that you are sometimes able to connect. So next time when you are able to get Maui Meta tool to recognize your phone, then 1. Select “change or write imei” from the dropdrown menu. A dialog box will open for entering new “IMEI” number. On this dialog there is a button for loading “nvram”. Click it and load the file downloaded from link provided.

If this is a right file it will take sometime to load. After sometime you will (may) get “nvram mismatch” warning, Ignore it (at your own risk!

I ignored it since I was desperate) Note- Despite K4 Note being a dual SIM slot phone, you will initially see tab for entering IMEI for 1st SIM slot only, since IMEI numbers are lost. Once you successfully write the correct IMEI for 1st slot, option for entering IMEI for second slot appear automatically Once the nvram is loaded, enter the correct IMEI numbers (It’s mention on sticker on the battery of your phone) (Note – The last number will be entered automatically by the sowtware) and PRESS download or write to FLASH option / button If everything is fine you should see the message “IMEI number downloaded or written to flash successfully” 3. Now repeat the same procedure for the 2nd SIM slot.