No networks on your double sim wifi? The solution

Do you have evil has to have networks on your gsm double sim wifi even in the well served places? Here a tuto which will enable you to circumvent this problem.

01. You ensure that your two charts SIM are on line with a good cover, extinct WLAN.

02. Press on the key “call” and type *# 3646633 #

03. The telephone posts the “Engineer Mode” with a menu of 10 sections different (test carried out starting from F003).

04. To go with N °10 “RF TEST TOOL “, by using only the keys UP arrow/low located on the left side of the telephone.

05. Choose “GSM”

06. A message appears “Wifi…. blah” to confirm simply while clicking on OK

07. Choose “Power Scan”

08. Select frequency GSM of your country or locality and support on OK. (Please check the suitable frequency for your country or area)

09. The mobile now will freeze, because it will do itself its adjustments. Leave as they is, without panicking, for approximately 2-5 minutes and wait!

10. Connect your mobile via cable USB to a PC, DO NOT CONFIRM ANY mode of connection to your mobile phone. Only connect the cable! It is all that you have to make. NOTHING MORE PLEASE!

11. Press on the button Menu (second starting from the left, that with the small points above) until you are in the principal menu with the icons on the screen.

12. Click on “Parameters” - > “Network Setup” - > “Configuration of network SIM1” (Any of the two charts sim according to your need as a long time as there is a chart SIM there)
13. To go on” Privileged Mode (Preferred Mode)” and choose “preferred GSM (GSM Preferred)” or “GSM only”

14. The mobile will pass to your selection, but the message will remain with the screen. Do not support on anything else and await approximately 15-30 seconds.

15. Disconnect cable USB of the telephone and it will show you that it passed to your selection.

16. To return to the principal menu, to extinguish and start again the mobile.

Here, it is all! These parameters should function on F003, F006, F008 and F009. And if your gsm continues to have a bad reception of network, ask just has your salesman to replace it to you… So not, claim your refunding!