HTC One

You can't turn on your phone - HTC One

Cause 2 of 3: Your phone isn't assembled correctly

If your SIM or battery isn't inserted correctly, you can't turn on your phone.

Solution: Make sure that both SIM and battery are inserted correctly.

Step 1 of 4

Insert your SIM

Insert the opener for the SIM holder into the small hole in the SIM holder on the side of your phone.

Step 2 of 4

Insert your SIM

Remove the SIM holder from your phone.

Step 3 of 4

Insert your SIM

Turn your SIM so that the angled corner of your SIM matches the angled corner of the SIM holder.
Place your SIM in the SIM holder.

Step 4 of 4

Insert your SIM

Insert the SIM holder into your phone.

Insert the opener for the SIM holder into the small hole in the SIM holder on the side of your phone.

Remove the SIM holder from your phone.

Turn your SIM so that the angled corner of your SIM matches the angled corner of the SIM holder.
Place your SIM in the SIM holder.

Insert the SIM holder into your phone.