Hi, I'm a new user of this forum looking to use my old w810i as a music player. I got a k850 that i like a lot, but its music is not as good as the old one especially when i plug it into sony speaker dock. I downloaded a .vkp file that says it ill remove sim lock (Remove_SIM_lock_W810_R4EA031_cid_49) but i dont know how to load the vkp onto the phone. i bluetoothed it over but the phone doesnt know what to do. any ideas? Thanks!

download setool2lt and search for topics in this forum! i cant link it atm but i know there are a huge amount of topics about that
you have to write it into the firmware and its not working with sending it to the phone or the card

Moved to Firmware Section

You can use the Setool or FAR MANAGER.
See the Tutorials and Guide thread and enjoy!!