Problems after rebuild programmes not Running

Stykoid

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Feb 19, 2017
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Put a new top speaking in my m9
It's now really slow booting, and gives constant errors running programs
About 3.18 secs before booting to the bing bong and one screen. I think it's normally about 28 seconds.
I bought another broken phone from eBay and swapped the main board my old board on different phone. The error was still there.
Have i screwed the main board somehow or could some zip connector be damaged?

Some functions are OK, but it's not useable as the errors messages are constant and need clearing, and immediately pop up again.

Or has the firmware got corrupted and need RE flashing ?
Kind regards
Peter