How To Update Samsung E2121 Firmware By NSpro Box

Cable to Use: NSpro C450 cable.

Battery: Must be into the phone,and the phone OFF.

Firmware Update Steps:

1. Run NSpro Software and select E2121 model then click Next
2. Click Flash.
3. Set Baudrate: 921600
4. Set Mode: BIN & TFS+CSC
5. For BIN File select: E2121xxxxx.cla
6. For TFS File select: E2121xxxxx.tfs
7. For CSC File select: E2121Oxxxxx.csc
8. Click Write and connect C450 cable to Off phone with battery inside to start the process.
9. Wait till all is done then disconnect cable.
10. Turn on the phone and do full reset: *2767*3855#

Samsung E2121 Original Firmwares.

NSpro Box Software Versions