GSM-Forum - View Single Post - w220 Change Band 850/1900 to 900/1800 ????

**InfinitySupport** · 07-19-2007, 15:39

Hello,

You can easilt yry to make this test by yourself.
1. make flash and eeprom backup for emergency case
2. use different flash files from support area and write in phone

07-19-2007, 15:39	#2 (permalink)
InfinitySupport Product Manager Join Date: Mar 2005 Location: infinity-box Posts: 38,635 Member: 130995 Status: Offline Thanks Meter: 35,227	Hello, You can easilt yry to make this test by yourself. 1. make flash and eeprom backup for emergency case 2. use different flash files from support area and write in phone