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10 votes

Change DNS for mobile data without using an app

Starting with Android 9 Pie it is possible to change DNS globally, provided they support TLS. Just go in Settings → Network & internet → Advanced → Private DNS
mirh's user avatar
  • 357
3 votes

Is there any way to check if 4G/LTE is broken in LineageOS (FP2)?

I'm not sure if your issue was the same as me but I found your post because I had a similar issue. My 4G/LTE not working on my new FairePhone3 running LineageOS. I fixed my issue, here is the solution ...
Ixio's user avatar
  • 131
3 votes
Accepted

Translation of RIL_PreferredNetworkType terminology to human speak?

I figured them out thanks to here and here. GSM is 2G (on GSM networks) WCDMA is 3G (HSPA) CDMA is 2G (on CDMA networks) EvDo is 3G (on CDMA networks) TD-SCDMA is 3G (UMTS) LTE is 4G (LTE) This PDF (...
user541686's user avatar
2 votes
Accepted

Does switching my phone from 3G to LTE only matter if I use mobile data?

If you keep your mobile data off, it rather depends on coverage: Good 2G coverage? Use that. Your battery will last much longer. Shaky 2G but stable 3G? Use 3G. Same reason: shaky coverage makes the ...
Izzy's user avatar
  • 91.2k
2 votes
Accepted

Since which Android version does it detect internet connectivity on Wi-Fi?

The "Smart Network Switching" is available since Android 5.0. You can see it in the official changelog here (in "see all features", "connectivity" : «Improved network selection logic so that your ...
Maeln's user avatar
  • 131
1 vote

Is 3G network always available when 4G network is?

If 3G/UMTS is available for calls depends on the country you are living in. A lot of countries have shut down older mobile networks like GSM/2G and 3G or planning to do so. But every mobile operator ...
Robert's user avatar
  • 21k
1 vote
Accepted

Is 3G network always available when 4G network is?

I had to discard fully functional smartphone because we have no more 3G in germany. This concerned UMTS mobile data only, GSM phone calls still possible. Nevertheless UMTS is independent from LTE so ...
alecxs's user avatar
  • 4,089
1 vote

How to enable 3G video calls on Android smartphone?

This article on the history and future of mobile video telephony from 2010 covers the challenges of mobile video telephony at that time. The author lists out the then existing landscape and practical ...
Morrison Chang's user avatar
1 vote

Block internet access before firewall starts at boot

Things have changed, DroidWall is no more maintained, rooting techniques have to be changed with Android 5 and 6 releases; particularly SELinux has to be taken care of, and there is always init.d ...
Irfan Latif's user avatar
  • 20.8k
1 vote

How Do I Activate 3G Only On Samsung Galaxy A5(2015)

Try to call ##4636## then select Phone/Tablet Information, scroll below and you saw Spinner, select 3G/WCDMA only Or Goto Settings > Cellular/Mobile Network > Your 3G SIM > Network (3G only)
Jevie's user avatar
  • 11
1 vote

foreign phone stuck at Edge

Use OpenSignal to determine if your area actually does have 3G coverage from T-Mobile. I suspect that your area does not, and that is why you are not getting 3G service from T-Mobile. If you do get 3G ...
John Ramos's user avatar
1 vote
Accepted

Google Play Services High Internet Consumption

TL;DR: Install Autorun Manager (you must have root access) Go into the settings and enable "Show System Entries" and "Enable system app disable" Disable permissions for "com.android.gsf.update....
cavpollo's user avatar
  • 200
1 vote

Aggregating two 4G/3G data links from 2 different sims?

As far as i know, the modem only exist one 4G. You can use it in both SIM (switch it) but you can't use both at the same time. Even if you're thinking using the first one is 4G and the last one is 3G, ...
Zulfahmi's user avatar
1 vote

Many notifications show up when connected to WiFi

There are chance that you may turned on "Restrict background data" option. When its turned on apps don't have access to internet unless you open them. Go to “Settings“. Select “Data usage“. Tap the “...
B45i's user avatar
  • 175

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