Learn how to unbrick/flash this device using Lenovo downloader tool here
Note
Follow the instructions on how to flash the device carefully from the link above
I will not take responsibility on whatever may happen to your device.
Make sure you are downloading the exact ROM of the device you want to flash because
flashing a wrong preloder, will make the device completely dead
(can't power on, can't charge and will not be detected by a computer)
LENOVO A319 SPECS
Android 4.4.2 (KitKat)
4-inch Touchscreen, 480 x 800 , IPS 233 ppi
1.3 GHz dual-coreMT6572Mali 400
512MB RAM
8GB Internal Memory
Supports up to 32GB microSD
2 MP Rear Camera, LED Flash, Auto Focus
0.3 MP Front Camera
Dual SIM
EDGE / GPRS
WCDMA
WIFI 802.11 b/g/n
bluetooth 4.0
1500mAh Battery
LENOVO A319 STOCK ROM
A319_ROW_DS_S312_150330
A319_ROW_DS_S312_150330
A319_ROW_DS_S308_150115
A319_ROW_DS_S305_141125
A319_ROW_DS_S234_141018
A319_ROW_DS_S232_140926
