Invalid IMEI or not connecting to Cellular Network

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Sometimes you may see an ‘INVALID IMEI’ message after inserting a SIM or your Device is not recognizing the SIM card. There are 2 solutions below.

For Invalid IMEI, jump to the section below “RESET IMEI”. For general issues around the SIM not being recognized, start with “SIM RECOVERY”.

NOTE: The below requires modifying advanced developer settings. If you change the wrong settings accidently, you may cause issues to the operation of your device, so please follow them carefully. Please also note, these instructions are for ScanSKU Devices.

First you will need to enable developer mode. See here for instructions.

In the developer options which you unlock above, enable ÓEM unlocking and USB debugging

Try the below solutions in order, testing the SIM between each solution

SIM RECOVERY

Type in *#*#3646633#*#* in the dial pad (Where you dial phone numbers)

You will now enter the engineering mode

You should now be in “MTK SETTINGS”

Press ‘SimRecoveryTestTool’

3. Under SIM Recovery, press the SIM1 button

4. Restart the Device

RESET IMEI

1. First find you IMEI number. It will be printed under the battery. To remove the battery, turn the 2 release switches on the back and lever the battery cover off from the top. Write down the number and re-insert the battery, and turn the device on.

2. Download the MTK Plus app here

Install it on the device

Open the App.

You should now be in “MTK SETTINGS”
PRESS “Common Data Services”
Press “RADIO INFORMATION”

AFTER THAT YOU PRESS ON THE Phone 1 (or SIM 1) OPTION

Select in the top text bar and Tap the letter “E” and some options will appear. Select AT+EGMR=1,7 for Sim1 (Phone1)

Between the “” Type the IMEI number of the device.

For example it will look like this:
AT +EGMR=1,7,”365738736255254746

3. Tap “SEND AT COMMAND”

**If you see a message “command is not allowed in userbuild” or “AT Command send fail”, put a space between the “+” and “E” . Then press SEND AT COMMAND again.

4. Restart your device and your IMEI should now be fixed.