How To Solve Unknown Baseband, Invalid Imei On Mtk Android

This article proffers solutions to Unknown Baseband, Invalid IMEI, no Service as well as No SIM menu detected errors come across on virtually MTK android devices.

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In virtually cases, the termination of Unknown Baseband, Invalid IMEI, No Service or No SIM menu detected mistake of virtually MTK android devices normally spill out when you lot flash a novel custom ROM on the telephone especially; when it's an upgrade from android KitKat ROM to Lollipop.

Other times, this termination may spill out if you lot flash incorrect stock ROM firmware using SP Flash Tool every bit well.

The command for the Baseband as well as radio that controls the network indicate are located inward the NVRAM folder which is located in;

  data/nvram/md/NVRAM/NVD_IMEI

And specifically inward a file named;

 MP0B_001

Once this file is missing or malformed the NVRAM partiton of your MTK android device is corrupted, as well as that makes your phone's IMEI as well as radio functionality to malfunction or cease to work.

Here, I speak over few methods that tin move used to create this error. The solutions discussed hither are perfect for as well as varies from device to device.

DOWNLOAD LINKS NOTICE: the download link for each of the files needed to carryout whatever or all of the operations inward the method discussed hither are inward the download department here.

How to Solve Unknown Baseband, Invalid IMEI Error On MTK Android

From here, I would discuss, i subsequently another, dissimilar methods you lot tin usage to solve the Unknown Baseband as well as Invalid IMEI issues of the MTK android devices.

Method 1. MP0B_001 Method
The aim of this method is to create a novel MP0B_001 file as well as supervene upon it alongside the currupted i already inward the phone.

How to Do it:

• 1. Download ROM toolbox low-cal from Playstore.
• 2. Download IMEI.zip which tin move used to create a novel IMEI file.
• 3. Unzip the content of the folder (imei.exe) you lot download from the measurement 2 to a higher house on your desktop.
• 4. In command prompt, navigate to the imei.exe containing folder you lot simply created on your desktop as well as opened upwards it. In the folder, click an empty infinite as well as then, right click. From the options, scroll to conduct Open Command Window Here.
• 5. When you're within the imei folder inward command prompt, type
  imei.exe <15digit_imei_1> <15digit_imei_2>
  eg:
  

   imei.exe 123456789111111 123456789111124

  And press Enter.
• 6. If both IMEIs you lot gave are of the right format, a file named MP0B_001_NEW volition move created inward the same folder every bit the IMEI.exe. Rename it to MP0B_001.
• 7. Now you lot tin post it to the sd of your phone.
• 8. Install ROM toolbox low-cal thus become to origin explorer.
• 9. In origin explorer, delete the existing MP0B_001 file (located inward device/data/nvram/md/NVRAM/NVD_IMEI) as well as supervene upon it alongside the i you lot simply created above.
• 10. Long press the novel MP0B_001 then, become to permissions as well as tick all the ix boxes at the elevation thus tap OK
• 11. Finally, Restart your phone.

And yesteryear now, your SIMs should move detected, IMEI reflected as well as Baseband version changed from unknown to what it should be.

Method 2. IMEI Replacement Method
This method involves the usage of MTK droid tools as well as is entirely applicable when your SIM cards are detected but IMEI is invalid or null.

To exercise this:

• 1. Download MTK droid tools
• 2. Download PdaNet

3. Enable USB debugging on the telephone thus connect it to the PC (don't enable volume storage). In around phones, you lot necessitate to enable MTP.

4. Install PdaNet on the PC.

5. Extract as well as launch MTK droid tools on the PC (still alongside the telephone connected to PC)

6. MTK droid tools should uncovering as well as display your phones details

7. Click on IMEI/NVRAM

8. Supply the IMEI(s) thus click Replace

9. Restart your phone.

By the fourth dimension the telephone restarts, your IMEI termination should convey been resolved.

Method 3. NVRAM Restore Method
This method requires that you lot convey a backup NVRam file of around other telephone of the same type.

• 1. Download MTK droid tools
• 2. Download PdaNet
• 3. Enable USB debugging on the Working-Perfect telephone thus connect it to the PC. You may enable MTP but NOT Mass Storage.
• 4. Install PdaNet on the PC alongside the telephone connected; you lot should larn a message maxim drivers installed successfully.
• 5. Extract as well as launch MTK droid tools on the PC (still alongside telephone connected to PC)
• 6. When MTK droid tools uncovering as well as displays your phones details
• 7. Click IMEI / NVRAM
• 8. Click Backup
• 9. Connect the telephone alongside Baseband / IMEI mistake to the PC withal alongside MTK droid tools opened
• 10. Still nether IMEI / NVRAM, click Restore
• 11. Select the appropriate files from the windows that popular up
• 12. Reboot the telephone i time the functioning is complete

Method 4. Engineering Mode Method

1. Download as well as Install Mobile Uncle thus grant superuser permission

2. Select Engineer mode

3. Select Engineer agency (MTK)

4. Navigate to the Connectivity tab

5. Select CDS information

3. Select Radio Information

4. At Phone 1: Insert the command below thus click Send at command

 AT+EGMR=1,7,"IMEI1"

5. At Phone 2: Insert the command below thus click Send at command

 AT+EGMR=1,10,"IMEI2"

NOTE: If you lot larn an mistake similar "This command is non allowed inward user build" thus exit a infinite betwixt AT+ as well as EGMR thus that the code volition look every bit shown below

 AT+ EGMR...

6. Go dorsum to Mobile uncle dwelling menage screen

7. Click on Engineer Mode

8. Select Engineer agency (Android)

9. Select Phone information

10. Click Turn on radio

And yesteryear that, you lot convey done the needful as well as the Unknown Baseband as well as Invalid IMEI issues should at i time move corrected.

Download Section:

• MTK Droid Tools: Download Here
• PDanet+: Download Here
• Mobile Uncle: Download Here
• IMEI.zip: Download Here