p30 lite sim 2 2G only problem

[hooooossamq]

i have p30 lite and i have 2 sim card the sim 1 for net and the sim 2 for calling and sms. so i want to have the sim 2 2G only network.its always show 3G as its not always in good signal. i want to save more battery too.but there is no option to set the prefer mobile network as the sim 1 dos. any secret code to change the sim 2 prefer mobile network?

 

[isaacswisdom]

i have p30 lite and i have 2 sim card the sim 1 for net and the sim 2 for calling and sms. so i want to have the sim 2 2G only network.its always show 3G as its not always in good signal. i want to save more battery too.but there is no option to set the prefer mobile network as the sim 1 dos. any secret code to change the sim 2 prefer mobile network?

There are serveral options there to choose from

---------- Post added at 12:04 AM ---------- Previous post was at 12:02 AM ----------

i have p30 lite and i have 2 sim card the sim 1 for net and the sim 2 for calling and sms. so i want to have the sim 2 2G only network.its always show 3G as its not always in good signal. i want to save more battery too.but there is no option to set the prefer mobile network as the sim 1 dos. any secret code to change the sim 2 prefer mobile network?

Goto settings,.. Mobile network, select preferred network mode... Click 2G..that's all