If pressing
![](/media/support_htc_images/uploadedimages/common/ditafaq/site_vn/htc-desire-826-dual-sim/GUID-FA5D9997-3F47-4827-BD6D-E3C22FFC4FBB-web.png)
doesn't let you exit from an app, try to press and hold
![](/media/support_htc_images/uploadedimages/common/ditafaq/site_vn/htc-desire-826-dual-sim/GUID-FA5D9997-3F47-4827-BD6D-E3C22FFC4FBB-web.png)
and
![](/media/support_htc_images/uploadedimages/common/ditafaq/site_vn/htc-desire-826-dual-sim/GUID-CD7F4DAD-E4A7-4C14-A69E-CE2D37886A22-web.png)
at the same time.
If that works, it means you may have accidentally enabled screen pinning.
Go to Settings, tap , and then tap the On/Off switch to turn screen pinning off.
Note: To find out more about screen pinning, see the user guide or
how-tos.