(FIX) Lenovo S860 Low Signal after Update KitKat 4.4.2

Method  1  :

 Maybe you can try Modem_S860_V102_ROW. Can be downloaded at

 
* Recovery TWRP
* Only For 2GB Row Version

Step :
- Go into recovery twrp
- Install Modem
- After that, Clear cache / dalvik
- Reboot System

Signal will disappear after a while doing flash modem. All you need to do is wait a while and wait until the full signal. But it would be an error when you send a chat message like the application of bbm / line.

Do not worry, you just need to reset the network again with the steps

Perform randomly select and wait, and finally the choice:

• - Metwork mode = (auto)
• - Network Operators select back automatically
• - Reboot

This way I have done and the results are evident. Strong signal at position 3-4 bar. In the same room and the same position.

Thanks to

- steaven at lenovo-forum.ru

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Method  2  :

**Disable Fast dormancy**

- Go Into Engineering MTK Mode (Using Mobileuncle MTK Tool)- Tab Telephony > Fast dormancy > Config FD
- Select "Turn Off R8 FD & Legacy FD", OK.  there will be a toast of "Success"
- Back > Back > Back > to Exit

========================================
 

Method  3  :

1. Go to Engineer Mode (MTK)

2. Network and select Selecting GSM / WCDMA (auto)

3. Restart/ Reboot.

========================================

All of these methods I have done and the results are clear. Strong signal in position 3-4 bar. In the same space and the same position.

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(FIX) Lenovo S860 Low Signal after Update KitKat 4.4.2

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