Android Wi-Fi and Power Management Configuration - Android Q&A, Help & Troubleshooting

Hi Friends,
I'm testing various version of Android with the Zoiper SIP phone client and am unable to get the Wi-Fi device to stay permanently on in testing due to Android power saving / battery optimisation features and policies.
I'm using Android versions 5 / 6 / 7 / 8 on a number of various smart phones - Alcatel pop 5 / Samsung s8+ / Samsung galaxy note 8 / Samsung galaxy j2 pro / various ZTE phones.
Do I need to root these phones and be using custom ROM's to get access to these settings?
How do I permanently enable options like - Developer Options > Networking > Allow Wi-Fi Roam Scans ?
Any help is much appreciated.

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[Q] Set. Mobile Network -> "Enable always-on mobile data" CM11 (Phoning Home)

[Q] Set. Mobile Network -> "Enable always-on mobile data" CM11 (Phoning Home)
Hi,
seems that since Android 4.0 the setting Menu -> Settings -> Mobile Network -> "Enable always-on mobile data" is no longer available (or was this an HTC setting?). Is there a substitute or was it simiply forgotten to transfer to 4.0? My problem is that even with no apps running (and no traffic in netlog viewer)Android is establishing a internet connection as soon as I turn mobile data on:
- Steps to reproduce the problem
1. Disable Auto-Sync & enable background data restriction
2. Disable Wifi, disable mobile data
3. Enable mobile data
- What happened.
1. Internet connection is established directly, no data is transferred (only keep alive packages are sent)
- What you think the correct behavior should be.
1. Internet connection should only be established when needed (many users pay for every connection attempt)
I have a Samsung Galaxy S4, but it also happens on a Alcatel Idol Mini (Android 4.2.2) and another low end phone.
According to forums and blogs, the option was confirmed for Android 2.3. It's pictured here: " guides.virginmedia.com/en/topic/htc_sensationxe/how_do_i_disable_and_enable_data_services.html ".
BTW: I disabled all server-driven notifications (mail sync, time sync). Even used AFWFirewall/Droidwall, Xposed Framework & Xprivacy. All showed no data packages traffic, however as soon as mobile data was turned on I got the "connection keep alive" headers from com.qualcomm.timeservice. However, none of the tools were able to stop or log the initial header requests, before com.qualcomm.timeservice got active. So I assume it's a kernel / root android system application.
Would be great if someone has more infos. Are all Androids establishing a connection directly after mobile data was enabled?
Attached is the connection log from AFWFirewall. Seems that com.qualcomm.timeservice is involved and phoning home. What's frightening is that it connects to 173.194.32.238, which seems to be a facebook IP:
How can we block that crap?
Anyone who is using CM and using mobile data who can confirm or falsify here?
According to Google this is not about Android, but it would be great to know if this happens for CM in general, just the S4 build or just Qualcomm devices.
sacharja said:
Anyone who is using CM and using mobile data who can confirm or falsify here?
Click to expand...
Click to collapse
So there's noone of the many users in this subforum who is using Cynogenmod and could verify if the phone trys to establish an internet connection when mobile data is being turned on (showing an E or G at the right upper corner)?

Help DynDNS Xiaomi Router

Hi everyone!
I'm just ready to buy a Xiaomi Router (Mi Router PRO R3P) but I need to check the DDNS services that it offers so
Could anyone who have any xiaomi router enter in the web interfaze (192.168.31.1) / Advanced Settings / DDNS and tell me which services are available?
Thank you so much
I'm looking for it in all reviews but it doesn't appears anywhere
don’t know if you still need the information 2 years later - here is what shows up for a different model:
1. Peanut shell (oray.com)
2. Gongyun (3322.org)
3. Dyndns.com
4. No-ip.com

sim enable / disable via app or intent

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Change Hotspot Broadcast Channel on Android 10?

I've searched high and low, everything I find is for an older version of Android. I have Android 10, UI 2.5, just got the phone and have done nothing to it. I need to know if I can change the hotspot broadcast channel, or is it permanently stuck on automatic? There are virtually no options in the Hotspot configuration at all, to a point where I'm surprised it gives you the option to select the band you want to use. This phone already seems very SuperUser unfriendly as it is compared to my Huawei I'm coming from, but AT&T sent it to me for free so what options do I really have...

Question Change Settings via ADB

Hi All,
I am responsible for the provisioning of our tablets in my company. We currently still have to make many settings in the settings manually, which costs a lot of time.
Is it possible to do this via adb. I have to provision almost 1000 Samsung Tab A7 Lite, so this would be very worthwhile.
I would be very grateful for help

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