How to fix Null or Unknown IMEI on a Mediatek Android phone running on Android 6 (Marshmallow)

how to fix null or unknown IMEI on a Marshmallow Android phone

If you notice that your phone’s network bars suddenly remain empty for a long period of time despite the phone still being able to detect your SIM cards and identify their networks correctly then it just might be a Null /Unknown IMEI at work. This issue often occurs after flashing your phone but could (on rare occasions) occur randomly. We already created a detailed guide on how to resolve this at but some Android 6 (Marshmallow) users have complained about some of the methods there not working for them. This guide will put that to rest.

How do I fix Null, Unknown or Invalid IMEI on an MTK Android phone running on Android 6 (Marshmallow)?

1. Root the phone (see to know more about rooting )
2. Install Chamelephon from Playstore and launch it
3. Grant Chamelephon Super User privileges by tapping Grant

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4. You should now be in the home screen

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5. Input the correct IMEIs (on the back of the phone after taking out the battery) and click Apply New IMEIs

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6. Once prompted to confirm changing of IMEI, tap Change

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7. Reboot the phone

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Warning! It is illegal to change your IMEI from the original (on the back) to another so you are entirely responsible for how you choose to use this guide.

Hovatek….just a button away!