NV (Non-Volatile) files contain the calibrations and unique identifiers like the IMEI and serial number. NVRAM: Contains WiFi, Bluetooth, and Baseband data.
: This alphanumeric code is the specific firmware version . "A156E" is the model (A15 5G), "S1" indicates the bootloader security level, and "AXA4" marks the specific build date and version. Where to Find Links samsung a15 5g a156edxs1axa4 dump file nv file link
If you are looking for these files to fix "Invalid IMEI" or "Baseband Unknown" issues, they are typically found on specialized GSM developer forums and professional tool databases: Professional Tool Support NV (Non-Volatile) files contain the calibrations and unique
: Only download files from reputable sources to avoid risks. "S1" indicates the bootloader security level
Samsung Galaxy A15 5G (SM-A156E) with firmware A156EDXS1AXA4