Symphony Xplorer W15i 3G official firmware download Tested ok
Mobile Specification : Android 4.4.2 KitKat, 3.5” TFT HVGA Display, 1.3 MP + 0.3 MP Camera, 1.3 GHz Dual Core, RAM 256 MB & ROM 512 MB, 3G, EDGE, Wi-Fi, Play Store, G-sensor, Accelerometer Sensor (3D), Audio, video, & Call recorder, Supported Video Formats -3gpp, MPEG4, MPEG-TS .
New version released-16-03-2015
How Flash SP Flash Tools
Unpack FlashTools, and Click on Flash_tool.exe
# Select a the MT6572_Android_scatter_emmc.txt in ROM
# Wait file to be added into Flash Tool
# choose Option->USB Model,click USB Model
# Choose Option->DA DownLoad All->Speed->High Speed, click High Speed
# Turn off your phone, remove the battery.
# “Press F9 (hit Download button)” OR ” if upgrade ROM Firmware->Upgrade ”
# and connect your phone into the computer via USB data cable.
# The process will start and a red progress bar will appear after color purple, yellow.
# And green circles display
– Finish !