In this guide, we will show you how to repair null IMEI number on Umidigi A7, A7S, A7 Pro, A9 Pro Bison devices. The Umidigi smartphone brand is known for providing good specs in their devices along with keeping the price tag under the budget category. The names of the devices mentioned above all follow this particular trend and are evidence to this statement. In addition to that, Umidigi devices have also now entered the custom development domain and have become active players in custom development. There are many things to try out, from flashing of Custom ROMs and binaries, to rooting your device via Magisk.
But with all of these tweaks, there comes a potential risk as well. These risks include your device getting boot looped or getting hard bricked. But one of the most significant negative consequence of these tweaks can be the IMEI number of your device getting corrupted. This usually happens when users flash an incompatible Custom ROM on to their device. So if you are one of those users who are facing this issue on their Umidigi device, then you are at the right place, as in this guide, we will be showing you how to repair null IMEI number on Umidigi A7, A7S, A7 Pro, A9 Pro Bison devices. Read along!
What is IMEI?
IMEI stands for International Mobile Equipment Identity. This file is a global identity of your device and is different for every Android device out there anywhere around the world. The IMEI number is very important because without an IMEI number for your phone, you would not be able to use the services of any network carrier on your phone. Furthermore, the IMEI number of your device can also be used to track it. This shows that the IMEI number is very significant for your device.
How to Repair Null IMEI Number on UMIDIGI A7, A7S, A7 Pro, A9 Pro, BISON
Apart from helping you repair a corrupt IMEI number, the steps mentioned below in this guide will also help you to fix or repair lost MEID numbers for your device along with the Google Certificate as well. So without any further ado, let’s get into it.
Download SN Writer TEE Tool
Before you proceed with the procedure, you are required to download the latest SN Writer TEE tool that corresponds to your Umidigi device from the links provided below:
- A7: SNWriter_1924-4.2.1-up-1.2.1-vturkey_A7.rar
- A7.E (eea): SNWriter_1924-4.2.1-up-1.2.1-vturkey_A7_eea.rar
- A7S: SNWriter_1924-4.2.1-up-1.2.1-vturkey_A7S.rar
- A7S.E (eea): SNWriter_1924-4.2.1-up-1.2.1-vturkey_A7_eea.rar
- A7 Pro (all versions): SNWriter_1924-4.2.1-up-1.2.1-vturkey_A7Pro.rar
- A9 Pro 64GB (all versions): SNWriter_1924-4.2.1-up-1.2.1-vturkey_A9Pro64.rar
- A9 Pro 128GB (all versions): SNWriter_1924-4.2.1-up-1.2.1-vturkey_A9Pro128.rar
- BISON (all versions): SNWriter_1924-4.2.1-up-1.2.1-vturkey_BISON.rar
Modify Windows Host File
Once you have downloaded the SN Writer TEE tool for your device, you have to modify Windows Host file on your PC. In order to do that, you must have administrative privileges. So if you are ready, follow the steps mentioned below to modify Windows Host file.
STEP 1: First, you are required to start up the file explorer software and then proceed to the location given below:
STEP 2: Now you will be able to see a host file. Right click on it and then click on Open with Notepad from the options that appear.
STEP 3: Now at the end of the file, leave a line and then add the following lines:
STEP 4: Now you have to save the file, either you can do it by going to file appearing on the top left of your screen or by simply using the shortcut key Ctrl + S to save it immediately.
Once you are through with the above mentioned steps, proceed to the next step to repair null IMEI number on Umidigi A7, A7S, A7 Pro, A9 Pro Bison devices.
Repair IMEI Number via SN Writer TEE Tool
STEP 1: First up, you are required to extract the downloaded SN Writer TEE to any convenient directory in your computer.
STEP 2: Once done, you have to launch the SN Writer TEE tool by opening the SN Writer.exe file. After that, click on the System Config button when the tool opens.
STEP 3: After that, you are required to exactly check mark all of the options that are checked in the image given below and then click on the save button at the bottom of the interface.
STEP 4: Once done, proceed to the Identify Tab located at the menu bar at the top and Engineer > Enable Auto Gen from the options that are available.
STEP 5: Once you have completed the above step, you are required to click on the start button, after which you have to enter your IMEI number in the space that is provided and then click on OK.
STEP 6: After that, power off your device and then connect it to your computer using a USB cable.
STEP 7: Once your device is connected, the flashing will initiate immediately. Now you will have to wait as this may take a few minutes.
STEP 8: You will know when the flashing process has been completed by the Pass message given by the tool. And that was all, you can now safely remove your device from the PC.
So that was it from our side on how to repair null IMEI number on Umidigi A7, A7S, A7 Pro, A9 Pro Bison devices. You can verify the success of this process by heading over to Settings > About Phone and your IMEI number should be available there. On this note, we conclude our guide. We hope that you found this helpful. Let us know what you think in the comment section below.