How To Update Samsung A257 Magnet Firmware By NSpro Box

To Update Samsung A257 Magnet firmware you need NSpro C450 cable and no need to use battery.

Firmwares: Samsung A257 Magnet Original Firmwares.

Firmware Update Process:

1. Run NSpro Software and select: A257 model from the list then click Next
2. Click Flash button.
3. Set speed at: 921600
4. At Mode select: Bin & Tfs
5. For BIN file select: A257xxxxx.cla
6. For TFS file select: A257xxxxx.tfs
7. Click Write button and connect cable to phone ( without battery ).
8. The Update process will start so wait till all is done.
9. Turn on the phone and do full reset: *2767*3855#