The Truth About IMEI Storage Before Flashing Always Backup
Hello Brother & Sister If you are new in the mobile Field this topic may look confusing․ So Don't worry․ In this article‚ I am going to discuss it in a very simple way․ So‚ Step by Step Learn.
What is IMEI
IMEI is there in your Mobile phone․ Every mobile phone has unique IMEI․ It works as a phone ID number that is used by the Network to identify your Mobile phone.
MediaTek Mobile Phone IMEI
Phones with MediaTek CPU Store imei in
NVRAM
NVData
If these files are deleted Come issues on Phone
IMEI Null
No Network
Samsung Galaxy Exynos Phones
Phones from Samsung Galaxy Exynos CPU store IMEI in
EFS
If EFS is damage
IMEI 0000000000 Or Null
No Service
Qualcomm phones
Phones with Qualcomm CPU also use something called EFS or QCN. This is safe and encrypted.
If it breaks you will see that your Mobile Phone IMEI is null and Show baseband unknown.
Unisoc or SPD CPU are different.
Phones with Unisoc / SPD CPU store their IMEI in a places
NV
PRODNV
NVITEM
Step by Step information ℹ️
If these places get damaged you will lose your IMEI. Have network problems. Here is an important point to remember. There are two types of IMEI, Original IMEI which’s inside the hardware specifically the modem chip. This is the IMEI that comes from the factory.
Software IMEI which is inside files like EFS and NVRAM and NV. This is the IMEI that your phone reads. If the software files break your IMEI will disappear. The original IMEI is still, inside your phone. So why do IMEI problems happen? They happen because of flashing or formatting all partitions or using bad tools or deleting important files. Here are some easy tips to follow, Always take a backup before flashing your phone. Do not delete files. Use the firmware. Do not try things if you do not have knowledge. Finally it is simple Different CPU types have places to store the IMEI. All of them are very important for your network to work properly. If you understand this you can avoid problems with your phone.
Disclaimer ⚠️
The Above information for Only For Education and Learning purpose, Thank You for Visiting Our Blog NTS Lab.