How to Upgrade firmware modem sierra 881U v.1 to v.1.2

1. Click here to download the latest sierra 881U firmware
2. Attention : For laptop, Make sure your battery full charge and you should plugin AC charge to avoid lack of power .
3. For PC , make sure to use the UPS, to avoid the occurrence of failure during the firmware upgrade process
4. Remove your simcard , and make the 3G watcher like this




5. Run fireware application AC881U_F1_2_3_15ap.exe ,
program will searching for device then Click OK to upgrade.



6. You will see notification if successful, the notification will appear.


list of DNS :
http://opensource.telkomspeedy.com/w...guna_Indonesia

Good luck!!

"HARDWARE FAILURE NOT OUR RESPONSIBILITIES"

If you have any Question, please submit a comment or join this forum
http://www.kaskus.us/showthread.php?t=1006668
posted by adhi_undip