Flash your phone and How to apply or remove patch using SETool 2 Lite

[Paul Fisher]

hi,
can someone help me i have a sony ericsson model k810i. my IMEI:35799401182286650 and i have put a o2 sim card in but its saying inactive sim also tried vodafone and giffgaff still no joy. my phone is on o2 but still saying the same
must be locked on o2 how can i open it up on all networks,
i don't have a memory stick or or owt so is there any way i can do this.
PS am not very good with phones so must be easy to follow,
thank you in advance..

[satch1234]

Post here log from your phone.You can see instructions in 1st post in this thread.