i pulled out simcard and my phone was locked asking for pin that i dont remember soo i tried factory data reset but code was still there soo i tried wipe cache and than again i factory reset but didnt work than when my phone was booting i kept pressing power and volume up to get into recovery at that time my phone screen turned black but when i turn it off and plug in charger it shows charging sign battery on screen. this problem was not solved i ran into another one i tried installing stock firmware and installed the wrong build firmware. and now i am going to install again correct firmware build .using sp flash tool.if you guys help me i would be very thankful.
my phone is infinix zeroe 3 that is not listed .
chipset is mt6795
firmware i am going to use is x552-H952-A1-M-160803v21
previously i installed Infinix_Zero_3_X552_H952_A1_L_20160224