Perdona, La ROM la descargue del sitio oficial, aunque indica DDR 1GB, tambien incluye archivos para DDR 512. Es esta:Te pedí el enlace pero se te olvidó ponerlo así que no he visto las especificaciones de la rom que quieres probar.
== Wintouch M713 ==
Detail
System Android 4.4.2
CPU MTK Cortex-A7 1.2GHZ
GPU Mail-400MP
Memory DDR3 1G
Storage Built-in 8GB capacity
External StorageSupport Micro SD/Micro SDHC(MAX 32GB)
Display
Screen Size7inch
Resolution 1024*600 IPS
Touch Screen Multi Touch
CameraFornt0.3M Back0.3M
Power Source
Battery Capacity 2200mAh lithium Battery
Battery TypeRechargeable Lithium Battery
Recharge TypeAdapter or USB Cable
Charger TypeDC 5V 2.0A
Connection
2G GSM850/900/1800/1900
3G WCDMA 850/2100
WiFi802.11b/g wireless internet
BluetoothSupport
I/O
SIM cardDual SIM Cards
Audio3.5 mm standard CTIA
Mic & speaker Inside
USB Micro USB
HDMI N/A
RJ45N/A
OthersN/A
Function
Audio 3.5 mm CTIA MP3, OGG, AAC, etc, LRC lyrics synchronizing, Photo Album, Stereo speaker
Video AVI, MKV (XVID/px/H.264), MOV, TS, M2TS, RM/RMVB, FLV, 3GP, MPEG, DAT, MP4 (support to 1080P:1920x1080)
Language23 language(Arabic,English,French,Etc)
Business Arabic keyboard, Skype, WeChat, Facebook, Gmail, ect.
GPS Support
Gravity SensorSupport
Proximity Sensor -
Light Sensor -
Others
ColorBlack,White,Golden
Dimensions189*110*13.5mm
Weight320g