Going back to older ROM

[puff]

Originally Posted by ImCoKeMaN

The GPS radio is a new beast, it protects itself from overwriting. Before this rom we were free to go back to WM5 at any point (check my sig). The new GPS radio is highly dependent on the OS and SPL as well and not compatible with previous versions. This puts it in a inconsistent state when you try to revert and the radio protection keeps you from fully going back. Mine are in a black screen called download mode at the moment. If they become fixable there will be a post about it as soon as it's ready.

ok. so it appears to be possible, but HIGHLY not recommended. you mention WM5 but

Originally Posted by haf683

I downloaded 2.17 and tried installing it but it told me that it is invalid.

Any suggestions?

it appears that he still wants WM6 but just not the GPS flavor, not sure why - but anyway, in theory you could flash 1.20 bootloader, then the official 2.17 ROM to match the Radio, OS, and bootloader, then install a custom ROM that matches...



your sig says

WARNING: Using anything from Special_4350.nbh file can cause unrecoverable (at least as of now) bricking of devices (I have a dead mogul to prove it!) (Also: titan GPS radio on vogue = bad idea)

what is the Special_4350.nbh used for? care to elaborate?