A cellular network or mobile network is a radio network distributed over land areas called cells, each served by at least one fixed-location transceiver, known as a cell site or base station. In a cellular network, each cell uses a different set of frequencies from neighboring cells, to avoid ...

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26
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3answers
40k views

How to disable captive portal detection? How to remove exclamation mark on Wi-Fi or signal icon in Lollipop?

When connected to the Internet, the system checks if it's in a walled garden, which is simply trying to connect to Google. If it fails, in Android 5, there'll be an exclamation mark on the WiFi icon ...
4
votes
2answers
5k views

How to change “Preferred Network Mode” using adb without reboot?

I'm trying to change my phone's (CM 12, Stock 4.2, both rooted) preferred network mode from "GSM/WCDMA" (0) to "WCDMA only" (2) and vice versa (there can be other modes too), using command-line only. ...
1
vote
3answers
4k views

Is it possible to set DNS for mobile network

I live in Canada and use an unblocking service to access US Netflix content, Pandora and Hulu. I would like to be able to use this service while not on my WiFi is there a way to set the DNS server to ...
1
vote
0answers
225 views

GPS is not getting fix signal

I have a couple devices (Moto e XT1021, Moto e 2nd gen). Suddenly the app running on these devices stopped working, due the device stop receiving gps changes updates. I did some research and tests, ...
4
votes
0answers
729 views

How can I change preferred network type through a script (or terminal command)

I'm currently attempting to create a workaround for a problem that is plaguing a ROM that I'm using. While my phone and ROM are capable of using LTE, and use it perfectly fine, the "preferred network ...
8
votes
1answer
323k views

What is the difference between GSM and WCDMA when switching to manual Network Mode?

I was reading this answer and I need to comprehend this better: What is the technical difference between "selecting GSM" and "selecting WCDMA" in Network Mode settings menu? To save battery life, I'm ...
1
vote
2answers
11k views

No mobile signal after installing CyanogenMod

I have a Samsung Galaxy S 2 (GT-I9100) and baseband version I9100XXMS3. As far as I understand from this page it's a UK modem, which is where I am. When using the latest stock Android I was still able ...
1
vote
1answer
771 views

What range of tcp buffer size do you suggest for slow and fast networks?

If you search the net, you come across with ranges like these that claim would enhance your net throughput: net.tcp.buffersize.default=4096,87380,256960,4096, 16384,256960 net.tcp.buffersize.wifi=...
2
votes
3answers
38k views

Enable Location Services via Remote Control

I always disable (Google) Location Services on my phone because they are always drain a lot battery (probably because my mobile Internet is very slow). But in case I lose my phone I can't use any ...
1
vote
1answer
8k views

Which modem firmware for Samsung Galaxy S (GT-I9000) works best with the mobile networks in Russia?

Trying to use a Samsung Galaxy S device coming from China or Korea in Russia lead to the observation that the quality of the connection to the mobile network is much worse than on Samsung Galaxy S we ...
1
vote
0answers
429 views

Losing network connections when using GPS

I'm having the same kind of problem as described in these threads, using a rooted HTC One S with Dark Jelly S rom: Thread on XDA-Developers Thead on CyanogenMod Forum When activating GPS while using ...
0
votes
3answers
5k views

Samsung Galaxy S2 drops carrier network

My SGS2 is dropping it's network connection multiple times a day without any notification. The signal bars disappear and it just says NO SERVICE/VODAFONE NZ. No data, no 3G, no 2G, nothing... I was ...