Genuine HTC O2 XDA Exec mainboard (aka HTC Universal) part number 99HAU037-06. This is a genuine HTC mainboard (motherboard), brand new and unused. The mainboard is on O2. It can also be unlocked to work with other networks if you choose. See part number in photo above. All other components will need to be transferred from existing handset.
100% Genuine and original. A fantastic opportunity to get a genuine HTC replacement part. Please do not confuse this with imitation/fake aftermarket replacement parts.