software problem

[pramod106]

i have downloaded an apk file to my phone for change font style in my Xperia U. then i`ve installed the apk file and reboot my phone since then it`s not working please help me  

[_alexdon_]

Remove the battery,put it back in.Turn it on normally.

[Alexander1]

Hi and welcome to the community! Since you're new please be sure that you have checked out our Discussion guidelines.

Does the phone not start at all? Or does it get stuck in the booting process?