In this tutorial, We’ll show you how to back up and restore the QCN files for your Poco F4 (codename munch) here. You can use these steps to solve any problem related to the Android phone’s SIM card, such as not recognizing the SIM card, unknown baseband version, inability to find its IMEI number, etc.
Disclaimer!
In some countries, flashing or changing an International Mobile Equipment Identity (IMEI) number is illegal. Check with the laws of your country before doing anything else. GetDroidTips only provides guides. You will be solely responsible if you proceed. This guide is intended for educational purposes.
In today’s era of smartphones, many of us desire to customize our devices by installing Root, Mods, Custom ROMs, or modifying Stock ROM. However, there is always a risk of unintentionally altering critical settings, such as the IMEI number or baseband version. If you wish to backup and restore the QCN or edit someone else’s QCN in case they lose their IMEI, it is essential to know where the file is located. You can refer to this guide for a better understanding.
Also Read
What is IMEI Number, and What Does it use for?
When we talk about the IMEI number, it refers to an international mobile equipment identity that uniquely identifies each phone regardless of whether they use a SIM card or not; so, when we say “IMEI numbers”, we mean any ID for phones. Every IMEI (International Mobile Equipment Identity) number is uniquely assigned to every smartphone globally. To know your IMEI number on Poco F4, you can type the *#06# on the dialer or Phone app.
We all know that a SIM card can be changed easily from a mobile phone. Therefore, the IMEI number comes in handy to track any particular device across the globe. Now, if you want to use a mobile device to use a SIM then it’s necessary to work the IMEI number properly. Meanwhile, the IMEI number can get corrupted or invalid, or null while flashing any third-party firmware or any custom file on your device. Therefore, you should fix that issue for your Poco F4 model.
