hi
i was not able to flash this c139 tracfone 8.8.17 .........after many tries i use this software to write new boot then i flashed it easyly with infinty then unlock and at last then modify to 900mhz with attached pic
COM4 [VCP0] selected
"smart write" active
Action: flash
Write: Firmware
Write: Language Pack
Write: Flex
Skip: Eeprom
Device: C139,C140
Checking data, wait...
Connect...
Press and HOLD Power button...
connection mode: 00
Release Power button !
Connect Done
Boot...
Boot Done
Set Baud...
921600
Set Baud Done
Check Flash-1...
SW version: 8.8.17
HW version: _E88
LP ver: LPN_C139_NA_T0H
Flex ver: FFN_C139_TP_T0H
imei otp: 011098004392719
Check Flash-1 Done
Check Flash-2...
reading ...
file saved: E:\InfinityBox\Moto01\backup_eeprom_calibration_01 1098004392719_20090801-221152.31E.bin
imei eeprom: 011098004392719
Check Flash-2 Done
Write...
Writing: Firmware
Writing: Language Pack
Writing: Flex
Write Done
Finished, time used: 123 sec
Remove/Install battery now !
----------------------------------------------------------
Release Power button !
Connect Done
Boot...
Boot Done
Set Baud...
921600
Set Baud Done
Check Flash-1...
SW version: 1.0.06.
HW version: _E88
LP ver: LPL_C139_LATAM_00F
Flex ver: FFL_C139_3S_10F
imei otp: 011098004392719
Check Flash-1 Done
Check Flash-2...
reading ...
file saved: E:\InfinityBox\Moto01\backup_eeprom_calibration_01 1098004392719_20090801-221528.31E.bin
imei eeprom: 011098004392719
Check Flash-2 Done
Write...
Write Done
Finished, time used: 19 sec
Remove/Install battery now !