Insert a SIM card eject tool or a paperclip into the small hole besides the SIM card tray, located on the upper section of the left edge of the phone.
Press to eject the tray.
This may require a significant amount of force.
When reinserting the SIM card, ensure that its contacts are facing to the rear side. The tapered corner of the SIM card has to point to the outer bottom corner of the tray.
Peel back the Kapton tape from the remaining three ZIF connectors, then use a spudger or your fingernail to lift the hinged retainer clips on the ZIF connectors, and slide the cables out from each.
The third ZIF connector is mostly underneath the motherboard. When reassembling your device, make sure it is placed back underneath.
Well, i repair phones everyday and HTC is always a difficult brand, but I would rate the M7 as harder to repair than the M9.
The only part that should be very very remarked is while lifting up the motherboard, if you don't warm the adhesive it will be very difficult to get it out of the case, yesterday I did one and broke 1 led of the notifications leds!
Anbody know where is located Gps Antenna of htc M9 plus. Pkease help me.in map my location blue dot is not accurate correctly. Sometng problem in hardware gps Antenna like.