New answers tagged 3g
Had the same issue. Found this solution on other site: Open "Setting" App Go to "SIM Card Manager" Tap on "Data Service Network" Choose the SIM as the Data SIM Note that, only the first SIM slot supports 3G interent. So if you want to use 3G you must set your 3G SIM on the first SIM slot
Wifi is designed to be fast and consume little power. This is especially true if you have a fairly recent phone. The drawback of this is distance or range. You trade the power savings for distance when you use a cellular connection. Therefore, a cellular connection does take up quite some power. This can be easily verified by turning on airplane mode and ...
You'll definitely have better batty life when you're not using wifi if you turn it off. I don't believe turning off 3g when you're on wifi will save much battery life, because Android is already automatically routing all communications over wifi.
Let's state all the possible letters in the signal indicator, in descending speed: H = either HSDPA (3.5G) or HSPA+ (3.95G), depending on your network provider 3G = UMTS (3G) E = EDGE (2.5G) G = GPRS (2G) (no letter) = voice only, no data connection and also: R = roaming (this means you're not on your home network)
Dial *#*#4636#*#* >> Phone Information >> Set preferred network type: WCDMA only
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