The main reason to unlock a phone is to be able to use it with a different SIM card. For example, when traveling abroad it's usually cheaper to temporarily use a foreign network, for example with a prepaid subscription.

I68+ 8GB TOUCH SCREEN UNLOCKED I9 PHONE AT&T T-MOBILE


I68+ 8GB TOUCH SCREEN UNLOCKED I9 PHONE AT&T T-MOBILE

Buy It Now: $85.00
Time Left: 15m
MOTOROLA C168i COLOR PHONE UNLOCKED AT&T TMOBILE USA!


MOTOROLA C168i COLOR PHONE UNLOCKED AT&T TMOBILE USA!

Price: $19.99 (1 Bids)
Time Left: 15m
*BRAND NEW* BLACKBERRY CURVE 8310 RED UNLOCKED ANY GSM


*BRAND NEW* BLACKBERRY CURVE 8310 RED UNLOCKED ANY GSM

Price: $162.50 (42 Bids)
Time Left: 15m
UNLOCKED GSM BLACK HTC AT&T TILT with Touchflo


UNLOCKED GSM BLACK HTC AT&T TILT with Touchflo

Price: $175.00
Buy It Now: $220.00
Time Left: 15m
Unlocked Nextel Boost Mobile Motorola i760


Unlocked Nextel Boost Mobile Motorola i760

Price: $13.50
Buy It Now: $40.00
Time Left: 15m
Apple iPhone 3G 16GB (AT&T)-3.0 OS Unlocked Jailbroken


Apple iPhone 3G 16GB (AT&T)-3.0 OS Unlocked Jailbroken

Price: $355.00 (35 Bids)
Time Left: 15m
Unlocked Touch Screen GSM Mini Cell Phone AT&T T-Mobile


Unlocked Touch Screen GSM Mini Cell Phone AT&T T-Mobile

Price: $76.00 (28 Bids)
Time Left: 16m
2GB QUAD BAND N99i TV FM CELL PHONE MOBILE SIM UNLOCKED


2GB QUAD BAND N99i TV FM CELL PHONE MOBILE SIM UNLOCKED

Buy It Now: $88.88
Time Left: 16m
NEW UNLOCKED Touch Screen GSM Cell Phone, AT&T T-MOBILE


NEW UNLOCKED Touch Screen GSM Cell Phone, AT&T T-MOBILE

Price: $51.00 (27 Bids)
Time Left: 16m
I68+ TOUCH SCREEN UNLOCKED CELL PHONE I9 3G T-MOBILE


I68+ TOUCH SCREEN UNLOCKED CELL PHONE I9 3G T-MOBILE

Price: $51.00 (4 Bids)
Time Left: 16m
MOTOROLA KRZR K1 UNLOCKED BLACK CINGULAR CELL PHONE


MOTOROLA KRZR K1 UNLOCKED BLACK CINGULAR CELL PHONE

Price: $89.00
Buy It Now: $99.00
Time Left: 16m
LG KE970 SHINE GOLD UNLOCKED 2MP CAMERA MP3 CELL PHONE


LG KE970 SHINE GOLD UNLOCKED 2MP CAMERA MP3 CELL PHONE

Price: $94.00
Buy It Now: $104.00
Time Left: 16m
MOTOROLA W230 UNLOCKED BLACK SILVER MP3 CELL PHONE


MOTOROLA W230 UNLOCKED BLACK SILVER MP3 CELL PHONE

Price: $27.00
Buy It Now: $32.00
Time Left: 16m
I68+ 3.2" Touch Unlocked Cell Phone P168+ Dual SIM GSM


I68+ 3.2" Touch Unlocked Cell Phone P168+ Dual SIM GSM

Price: $49.99 (0 Bids)
Time Left: 16m
2GB MINI Unlocked KA08 Dual Sim Mp3 Mp4 CELL PDA PHONE


2GB MINI Unlocked KA08 Dual Sim Mp3 Mp4 CELL PDA PHONE

Price: $81.99 (0 Bids)
Time Left: 16m
2GB MINI Unlocked KA08 Dual Sim Mp3 Mp4 CELL PDA PHONE


2GB MINI Unlocked KA08 Dual Sim Mp3 Mp4 CELL PDA PHONE

Price: $81.99 (0 Bids)
Time Left: 17m
UNLOCKED BLACKBERRY 7290 PDA CELL PHONE T-MOBILE AT&T


UNLOCKED BLACKBERRY 7290 PDA CELL PHONE T-MOBILE AT&T

Price: $54.95 (1 Bids)
Time Left: 17m
NEW BlackBerry Curve 8310 Unlocked ATT Smart Cell Phone


NEW BlackBerry Curve 8310 Unlocked ATT Smart Cell Phone

Price: $174.99 (0 Bids)
Time Left: 17m
2GB QUAD BAND V900 TV FM CELL PHONE MOBILE SIM UNLOCKED


2GB QUAD BAND V900 TV FM CELL PHONE MOBILE SIM UNLOCKED

Buy It Now: $109.26
Time Left: 17m
RIM BLACKBERRY 8820 CELL PHONE UNLOCKED GSM AT&T SUNCOM


RIM BLACKBERRY 8820 CELL PHONE UNLOCKED GSM AT&T SUNCOM

Price: $140.92
Buy It Now: $155.01
Time Left: 17m
2GB MINI Unlocked KA08 Dual Sim Mp3 Mp4 CELL PDA PHONE


2GB MINI Unlocked KA08 Dual Sim Mp3 Mp4 CELL PDA PHONE

Price: $81.99 (0 Bids)
Time Left: 18m