Quote Originally Posted by boysie View Post
Refer to a db2020 patching guide in the tutorials. Can be unlocked by patch for free but this is dependant on the CID of the unit. Chances are that your K550 is CID52 and won't be a problem. If however it's CID53 then you WILL need a simcard that the phone is locked to.

Connect the phone to XS++/SETool2lite to determine the flash CID.

ok can you give me aguide???...my k550i is cid 52...but i have a problem with seetol ..phone pre-boot failed,possible RECOVERY needed...i think this problem is generated because the cable o usb port dont warking very well...is posssible???