Walton D3 Specification :
The operating system is Android Jelly Bean 4.2.2. CPU of 1.3 GHz dual core, The display is 3.5 inches 3.5-inch HVGA. Front Camera is 2 MP, better than the 1.3 MP. This phone RAM is 256 MB, ROM is 512 MB, Screen , External Memory: Support Micro SD card, up to 32GB, Dual Sim card dual standby, Network type: UMTS + GSM, Band: GSM 900/1800/1900MHz, UMTS 2100 MHz, Speed: GPRS / EDGE/ 3G / HSPA+, Capacitive Touch Screen, Full Multimedia, MP3/MP4, HD Video Playback.
Walton D3 Official-firmware
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 !