Phone Masters Need help on Myphone A919i

HI Developers and Tech's,

I badly need help on MyPhone A919i the moment i use back up and restore things turn out badly

1. Im stack on Yonip V7 boot logo
Trouble shooting done:
*tried to turn off and on my phone but still the same
*tried to remove batter and put it back still the same
*tried to go on recovery menu but tried my luck to format but still the same
*tried to access my sd card access and found out there is another problem

2. I found out that my phone dont read my memory card i tried switching on 2 memory cards
still i cant find my memory card here is what my phone says E: Can't mount / sdcard
Trouble shooting done:
*have my memory card put on card reader and access via lop top i see it running

3. I already have a technician to check my sd slot it seems like they cant fix it. Damn life this is the
only cell phone that i have kindly Help me devs, Techs and pinoys