Open your service tool (e.g., Easy JTAG Plus ) and select the SM-A156E model. Writing Data:

, technical files like "dumps" and "NV data" are critical for specialized repairs. Specifically, the version A156EDXS1AXA4

Note: This text is for illustrative purposes. Always respect local laws regarding device repair and software modification.

Before downloading any file, you must understand the firmware version. The string breaks down as follows:

processor. You must use tools compatible with MTK (MediaTek) chipsets. Google Patents Guide: How to Backup/Restore NV Data & Firmware Dump

is the most important part of any mobile phone. It is stored in partitions like /efs , /nvdata , or /persist . On the Samsung A15 5G, the NV data contains: