SEEM 0025_0001 **all offsets are HEX** offset 00 - bit 0, bit 3: 900/1800 and 1900 (set each of these bits to 1) bit 0, bit 1, bit 3: 850/1900 and 900/1800 (set each of these bits to 1) bit 0, bit 2, bit 3: 850/1900 and 900 (set each of these bits to 1) bit 2, bit 3: 850/1900 and 1800 (set each of these bits to 1) SEEM 0032_0001 ---------------offset 43 - bit 4: GSM Multi-Band Region Support for Automatic Scan (See Ofs 43 Bit 5) (1 on, 0 off) offset 50 - bit 0: 850 MHz Capable (1 on, 0 off) offset 55 - bit 5: GSM Multi-Band Phone (1 on, 0 off) Enable Quad Band SEEM 0025_0001 all offsets are HEX no bit manipulation here, just change the actual value in the offset offset 00 - 09 for Settings > Network > Network Setup > Band > Automatic ; 1900 ; 900/1800 ; - 0B for Settings > Network > Network Setup > Band > Automatic ; 850/1900 ; 900/1800 ; CORRECT BIT - 0C for Settings > Network > Network Setup > Band > Automatic ; 850/1900 ; 1800 ; - 0D for Settings > Network > Network Setup > Band > Automatic ; 900 ; 850/1900 ;