[Q] How to root China-made S7100 Note II - Android Q&A, Help & Troubleshooting

Anyone know how to root this china phone? I google online but to no avail, I installed clockworkmod ROM Manager, trying to download ROM but it said my device not supported at all.
S7100 Note II Dual Core 5.5 Inch 960*540 with Android 4.1.1 MTK6577 1.2GHz 8.0MP Camera
•Warranty: ◦1 Year, click here for details
•CPU: ◦MTK6577 Dual core, 1.2GHz
•OS: ◦Google Android 4.1.1
•Memory: ◦4GB ROM+512 MB RAM
◦microSD,support up to 32GB
•Screen: ◦5.5 inch 960*540
◦Capacitive Multitouch Screen.Amoled 16M Colors
•3G Network: ◦WCDMA 850/2100
•2G Network: ◦850/900/1800/1900
•Audio:
◦MP3,AAC,WAV,etc.
◦3.5 mm Audio Jack
•Video: ◦AVI, MP4, FLV, 3GP, MOV, ASF, MPEG, RMVB, H.263, H.264, etc.
•Features and highlights:
◦Fast reaction
◦Wi-Fi
◦GPS & AGPS
◦Bluetooth
◦8.0 mega pixel flash light
◦1.3 Megapixel Front Camera
◦Gravity Sensing
◦Distance Sensing
◦Compass
◦Java
◦Wap 2.0
◦Android 4.1.1
◦USB(USB2.0)
◦WCDMA+GSM
◦78*148*9.7mm
•Camera: ◦Front 1.3 pixel, Back 8.0 mega pixel flash light
•Battery: ◦3.7V 3200mAh
•Package Content: ◦Note II S7100
◦Earphone
◦USB Cable
◦Charger
◦2 Batteries
◦Flip case
•Color: ◦Black/White
•Language: ◦English
www DOT merimobiles DOT com/s7100-note-ii-dual-core-5-5-inch-960-540-with-android-4-1-1-mtk6577-1-2ghz-8-0mp-camera_p/meri7200.htm
Please help as I want to update to JellyBean 4.2.2

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how?
No one knows?

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Liquidsnake75 said:
No one knows?
Click to expand...
Click to collapse
and how do you plan to update to JB?