Orange Yumo data:
GSM frequencies :850 900 1800 1900
Standard UMTS :900 2100
Type :Touch
Dimensions (W x H x D) :139,50 x 71,50 x 9,30 mm
Weight :155,00 g
Main display :Color / IPS TFT
16M colors
720 x 1280 px (5.00") 294 ppi
Stand-by (max.) :3G: 360 h. (15,0 days)
Standard battery :Li-Po 2400 mAh
Internal memory :8 GB
RAM memory :1 GB
Memory cards : microSD, microSDHC (up to 32 GB)
Operating system :Android 4.1.1 Jelly Bean
Processor :Qualcomm MSM8930
Processor clock :1,20 GHz
Touchscreen : yes
How to hard reset:
Warning! All data will be lost!
1.Turn off the phone
2.Push together volume up and power key until you'll see Orange logo on screen
3.Select with volume keys "wipe data" and press power to confirm
4.Select "yes" and press power to confirm
5.Wait until format ends
6.Push power to confirm "reboot"
7.Wait until the phone restarts
That's it!
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Here is video how to do:
