Yes, i tryed this one too, didnt work.
The problem is that i made a mistake: I changed PS to USB (instead of UART, using the the code *#3646633#, that worked great to enter enginnering menu) and latter entered a dangerous code: *#6810# that DISABLED THE ENGINEERING MENU and several other codes. The question is:
HOW CAN I CHANGE THE PS TO UART without entering the engineering mode? Is there a way to do that? To change to UART or to revert this bad code so i can use the Engineering menu.
I've reseted the phone, entered all the codes i have found but nothing happened, and searched the forum for two days.
If you could help me Skybird I would be very glad, so i continue investigating ways to modify my phone. Thanks in advance.
Regards, Robert.