Help Stuck on start up screen...!!!

[Unknownx09]

So i installed a theme via recovery mode but it failed and now my mobile is stuck a the start up screen how can i fix this?!!!! AND I DIDNT MADE ANY BACK UP... do i hafe to buy a new mobile now?... AND NO I DIDNT DOWNLOAD ANY CUSTOM ROM.. i allready tried wipe and it didnt work :
E: failed to mount /cache (Invalid argument)
E: Cant mount /cache/recovery/log
E: Cant open /cache/recovery/log
E: failed to mount /cache (Invalid argument
E: Can't mount /cache/recovery/last_log
E: Can't open /cache/recovery/last_log
E: failed to mount /cache (Invalid argument)
DO I NEEDTO BUY A NEW PHONE OMG..?!!!

 

[Thatgrass]

So i installed a theme via recovery mode but it failed and now my mobile is stuck a the start up screen how can i fix this?!!!! AND I DIDNT MADE ANY BACK UP... do i hafe to buy a new mobile now?... AND NO I DIDNT DOWNLOAD ANY CUSTOM ROM.. i allready tried wipe and it didnt work :
E: failed to mount /cache (Invalid argument)
E: Cant mount /cache/recovery/log
E: Cant open /cache/recovery/log
E: failed to mount /cache (Invalid argument
E: Can't mount /cache/recovery/last_log
E: Can't open /cache/recovery/last_log
E: failed to mount /cache (Invalid argument)
DO I NEEDTO BUY A NEW PHONE OMG..?!!!

you won't, Go into download mode: Volume down + home + power

Connect to your pc, startup Odin (Find exact version for Gio) Place The Gio.ops in OPS
the apboot in BOOT
the Modem in PHONE
the code in PDA
and the CSC in the CSC

You will be fine after flashing

 

[GioUserFinland]

you won't, Go into download mode: Volume down + home + power

Connect to your pc, startup Odin (Find exact version for Gio) Place The Gio.ops in OPS
the apboot in BOOT
the Modem in PHONE
the code in PDA
and the CSC in the CSC

You will be fine after flashing

How i can connect to my phone? I have pretty same problem that AP have.