unlock k200a
 

COM22 [VCP0] selected
Device: Sony-Ericsson-K200i
"advanced chip detection" active
Action: unlock
Checking data, wait...
Boot...
Phone should be Switched OFF !
Press Power button now !
loading...
Boot done
Check connection...
Check connection done
Set baud...
115200
Set baud done
Check hardware...
flash: 01227E22212200:92EA0000000000
flash: Amd AMD/Fujitsu std [D 0004x010000 003Ex040000 0004x010000] 16Mb
version sw: R1AB003
version sw: CXC1250847
version flex: CDA102773/330
imei: 01123700xxxxxx
Check hardware done
Read data...
reading Sony-Ericsson-K200i_011237001xxxxxx_eeprom_calibration-1...
warning: wrong data size at 0x00014400, retry...
warning: wrong data size at 0x00014400, retry...
read error recovered
warning: wrong data size at 0x00014C00, retry...
read error recovered
warning: wrong data size at 0x0001E400, retry...
warning: wrong data size at 0x0001E400, retry...
warning: wrong data size at 0x0001E400, retry...
warning: wrong data size at 0x0001E400, retry...
warning: wrong data size at 0x0001E400, retry...
read error recovered
warning: wrong data size at 0x0001E800, retry...
warning: wrong data size at 0x0001E800, retry...
read error recovered
warning: wrong data size at 0x0001EC00, retry...
read error recovered
file saved: C:\Program Files\InfinityBox\HModule\Sony-Ericsson-K200i_01123700xxxxxx_eeprom_calibration-1_20081012-175716.80E.bin
reading Sony-Ericsson-K200i_01123700xxxxxx_eeprom_calibration-2...
warning: wrong data size at 0x01FF2400, retry...
read error recovered
warning: wrong data size at 0x01FF2C00, retry...
warning: wrong data size at 0x01FF2C00, retry...
read error recovered
warning: wrong data size at 0x01FF4000, retry...
read error recovered
warning: wrong data size at 0x01FF4400, retry...
warning: wrong data size at 0x01FF4400, retry...
read error recovered
warning: wrong data size at 0x01FF4800, retry...
warning: wrong data size at 0x01FF4800, retry...
warning: wrong data size at 0x01FF4800, retry...
warning: wrong data size at 0x01FF4800, retry...
read error recovered
warning: wrong data size at 0x01FF4C00, retry...
warning: wrong data size at 0x01FF4C00, retry...
warning: wrong data size at 0x01FF4C00, retry...
warning: wrong data size at 0x01FF4C00, retry...
read error recovered
warning: wrong data size at 0x01FF5000, retry...
read error recovered
warning: wrong data size at 0x01FF5800, retry...
read error recovered
warning: wrong data size at 0x01FF5C00, retry...
warning: wrong data size at 0x01FF5C00, retry...
warning: wrong data size at 0x01FF5C00, retry...
warning: wrong data size at 0x01FF5C00, retry...
warning: wrong data size at 0x01FF5C00, retry...
read error recovered
warning: wrong data size at 0x01FFC000, retry...
read error recovered
warning: wrong data size at 0x01FFC400, retry...
read error recovered
warning: wrong data size at 0x01FFCC00, retry...
warning: wrong data size at 0x01FFCC00, retry...
warning: wrong data size at 0x01FFCC00, retry...
read error recovered
error: unexpected data: 3B3B
file saved: C:\Program Files\InfinityBox\HModule\Sony-Ericsson-K200i_01123700xxxxxx_eeprom_calibration-2_20081012-175847.80E.bin
Read data done
Check data...
Check data done
Writing...
flash: 01227E22212200:46237300000000
Write: eeprom
flash: 01227E22212200:46237300000000
Write: eeprom
....
....
........................
locks cleared
Writing done
Finished, time used: 180 sec
Remove/Install battery now !

The phone is unlocked but still search network on 900-1800Mhz gsm networks ,How to repair network?

Hello,

K200a is for American market.
You can try to flash phone with K200i firmware files but it may be that you need to modify phone hardware to change band.

I need to unlock a sony ericsson K200a with polar box. What is the solution?