Mobile Testing

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  Cannot Unlock Bootloader on Fairphone 4
  fastboot bootloader fairphone 4 • • simrah  

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  You are in the wrong fastboot, fastbootd (with the d at the end!) is https://source.android.com/devices/bootloader/fastbootd , what you want is the "real" fastboot also called bootloader. Either select "Reboot to bootloader" in fastbootd or reboot the phone with fastboot reboot bootloader. Thx @ https://forum.fairphone.com/t/unknown-command-issue-w-fastbootd-solved/84559
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  How can I see the transfer speed when transferring files with Bluetooth?
  bluetooth file transfer data monitoring • • gionna  

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  Short Answer: You can not see speed when transferring files via bluetooth. Long Answer: Android OS by default does not have an interface for Bluetooth transfer speed or show it during the data transfer. In most cases only transfer progress will be available. Bluetooth Broadcast Receiver only exposes RSSI or link quality and you need to do your own calculation of speed for each RSSI range.
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  How do I format my SD card via terminal/Termux?
  external sd terminal formatting termux • • charlenef  

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  for devices with UFS flash memory from MIUI mkfs.exfat /dev/block/mmcblk0p1 from TWRP mkexfatfs /dev/block/mmcblk0p1 (mmcblk1p1 for devices with eMMC flash memory)
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  How can I reduce lag/crashes when mirroring a screen with scrcpy?
  adb scrcpy • • Kadir  

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  The docs say "It may be useful to decrease the bit-rate and the resolution:" scrcpy --bit-rate 2M --max-fps 15 --max-size 960 --bit-rate 2M - reduce the bit rate being sent (amount of data per second, affecting the image quality of the mirrored screen) (default 8M) --max-fps 15 - reduce the number of frames per second (reducing the data per second) (default 60+?) This [fps adjust] is officially supported since Android 10, but may work on earlier versions. --max-size 960 - make the maximum width or height 960 (the other dimension is scaled down, preserving aspect ratio). This reduces the number of pixels sent (if your display is >960p). (Default native res?) These factors seem to reduce the load on the host CPU and the amount of data needing to be reliably sent between the guest and host over USB/wifi. It seems to reduce lag and crashes. https://github.com/Genymobile/scrcpy
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  Is there any way to control per-device audio balance?
  audio google pixel android 12 equalizer • • Laycee  

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  Nope .
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  Is Galaxy S3 always disclosing an WiFi SSID?
  security wi fi router networking • • Avante  

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  AFAIK hiding the SSID only changes behaviour for initial connection as one has to know the SSID to be able to connect instead of just choosing from the list. Also the WiFi will at some point confirm its network name to devices who would try to connect to it which could be intercepted by a third party that would try to connect to it. In my opinion hiding the SSID is just a tiny security by obscurity measure that only protects from everyday users. Here is some interesting read about the situation with some examples: https://www.acrylicwifi.com/en/blog/hidden-ssid-wifi-how-to-know-name-of-network-without-ssid/
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  How to Flash Patched_Boot.img via termux?
  fastboot termux • • fbio  

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  no, there is no way to unlock bootloader nor root your device from termux (except for nexus devices). you can however run fastboot commands from another rooted device with https://github.com/Magisk-Modules-Repo/adb-ndk , or flash partitions with dd if termux is running on already rooted device $ su # ls -d /dev/block/*/*/*/by-name/boot* # dd if=/storage/0815-4711/patched_boot.img of=/dev/block/platform/11120000.ufs/by-name/boot_a # dd if=/storage/0815-4711/patched_boot.img of=/dev/block/platform/11120000.ufs/by-name/boot_b
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  Android 9 device does not save network
  wi fi networking • • gionna  

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  Let me answer my question per the suggestion of Andrew instead of deleting it. The solution I found: Tap Advanced options when adding a network Select Yes for Hidden network I think I missed the saved network when I posted my question. The network was saved on this tablet but it was on a separate list at the bottom:
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  Can a Samsung receive OTA updates normally with a systemless root?
  samsung ota update systemless root • • kalena  

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  No, no matter how you root your device, you won't get Android updates unless you flash a newer rom on Android which may cause you to have to wipe your phone. It also depends on what you use, if you use Magisk, KingoRoot or CF-Autoroot, then it may hide the root, but all jailbreaking apps try to hide the root so that you don't get stopped from using apps. Edit: Factory resetting removes root, but depending on your oem, they may always be able to tell if you root your phone. Like if you have a Note 3 that is rooted, it starts up and says Void Warranty on the top left. Samsung will always know that you rooted your device, even if you remove the root.
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  What is Google up to? Google Play Store updating apps even though auto-update is disabled
  security google play store google updates application autoupdate • • baileigh  

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  Apparently, what's happening here is that https://android.stackexchange.com/a/207452/374293 get auto-updated regardless of your update settings. If an app you installed relies on those libraries, an "update" to the app is triggered, even if no code in the app has changed, only some libraries it uses. Since there isn't a way to stop Google Play auto-updating, there isn't a way to stop these app updates either. Google made a change recently to the Play Store and the visibility of certain updates that used to occur silently. Now, when Play Support Libraries are updated, it will cause apps to "update" if the update replaces the support library version an app is relying on, so the app is essentially reinstalled when this happens—but with the only change being the Google Play Support Library version—not the app's code. The support libraries are what brings newer Android API features to older Android versions without having to be on the newer OS version (it doesn't bring everything, but it improves compatibility, allows for a unified experience across Android versions, and does sometimes bring features). So the older the version of Android, the more this is going to happen, since the older the OS version, the more the support libraries have to bring to that older OS version to bring it up to date. And since Play Support Library updates can't be disabled, neither can the pseudo-update of the affected apps. There's no new code from the developer. It's just Google updating their part, and the app being rebuilt around the new update. Source + more info: https://www.reddit.com/r/AndroidQuestions/comments/9zsfmq/comment/eac3aic/?utm_source=share&utm_medium=web2x&context=3
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  Forgot password for android device not able to reset it
  password android 11 factory reset vivo locked out • • jeanid  

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  OEMs these days store lockscreen password on some separate partition => resetting /data and /system doesnt make the phone 'forget' the prev password. But there is a solution that works on most of the devices (the solution is flashing all partitions without formatting the partitions that store imei). Get the firmware flash tool for your device (eg sp flash for mediatek devices, something similar exists for qualcomm devices too).. A googling in the format "how to flash stock firmware on " would lead you to the right page. I can't give any specific guide since you haven't mentioned your device model and there exists no generic guide except the outline I mentioned above.
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  Start/Stop Music playing when power is supplied via the USB cable
  usb charging music car • • derk  

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  Bixby Routines If you have a newish Samsung device with bixby routines (found in advanced settings) then you can create a routine that triggers when the device begins charging that can send the OS's "play music" command, open specific apps, and call actions that those app registered with android. You might need to open the app, and then send the OS's "play music" command. Automation apps If you don't have a Samsung device, then there are apps that can likely solve your problem. An app called https://play.google.com/store/apps/details?id=com.ifttt.ifttt is a well known automation app that may solve your problem. It can detect when your device begins charging, and it can do one of three things: open an app, send the OS's "play music" command, or integrate with specific services, like Spotify, and use reliable platform specific commands such as playing a shuffled playlist. If ITTT doesn't work, other automation apps may.
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  Where can I find latest-of-a-time Google Services/Framework for 4.4.2?
  4.4 kitkat google play services • • emran  

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  if you are looking for google services framework 4-4-2 you could find it https://www.apkmirror.com/apk/google-inc/google-services-framework/google-services-framework-4-4-2-1289630-release/google-services-framework-4-4-2-1289630-android-apk-download/ :
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  VLC for Android: No connection to local network
  linux vlc cifs • • Nykeriab  

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  https://android.stackexchange.com/questions/246835/vlc-for-android-no-connection-to-local-network#comment330747_246835 clued me into the fact that the phone itself had somehow gotten into a mode whereby the main WiFI icon that is displayed on the phone did not reflect the connection status as it should have IMO. No indication about which WiFI it was connected to was available, until which time that I long-pressed onto that icon, and saw that it listed WiFI networks, but was not connected. Once I connected to my WiFI network, I was able to then see the SMB shares in the VLC app. See annotated screenshot below:
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  Lenovo Tab P11 erased recovery mode, need to hard reset with computer
  fastboot lenovo factory reset recovery mode • • emran  

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  If you find yourself in a situation where you follow the guide at https://unofficialtwrp.com/twrp-3-4-2-root-lenovo-tb-j606f/ only to find your Lenovo Android Device in a fastboot-only state, please use Lenovo rescue and smart assistant to flash stock recovery and the stock Android image to factory reset the tablet. You can download it at https://pcsupport.lenovo.com/us/en/downloads/ds101291
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  Force an app to be able to auto-rotate in Android 12
  auto rotation • • Analeea  

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  I achieved what I personally want (always SCREEN_ORIENTATION_UNSPECIFIED) using a crude patch to android_frameworks/base: https://github.com/Atemu/robot-config/blob/282f7bbf6477dc4c6677ece77d528eff5b833d86/0001-always-have-screenOrientation-SCREEN_ORIENTATION_UNS.patch I'm not 100% sure all of these hunks are necessary or even complete but what it's supposed to do is stub any write access to an activity's in-code representation of its screenOrientation preference such that it's always on the default SCREEN_ORIENTATION_UNSPECIFIED.
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  How to disable the "verified links" feature?
  android 12 default applications verified links • • Amritpal  

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  A good FOSS solution I have found is https://github.com/tasomaniac/OpenLinkWith . You need to enable its (more or less) experimental browser mode under "App Features" -> "Set as Browser" and set the app as the default browser. It then acts very similar to how the old link opening dialog used to work and looks similar aswell: (This is indeed the app's dialog, not the OS'!)
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  Why have all Android TV remote apps stopped working?
  android tv remote control • • Burma  

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  here is my app, that works on latest versions of Android TV: https://play.google.com/store/apps/details?id=dev.niamor.androidtvremote If you need, you can contact me by email directly from the app. Thank you.
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  How to make incoming text messages remind me every 2 minutes?
  sms google pixel 4a pixelexperience • • chanisef  

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  You could use an app like Missed Notifications Reminder ( https://f-droid.org/packages/com.app.missednotificationsreminder/ / https://play.google.com/store/apps/details?id=com.app.missednotificationsreminder ) to achieve this, which "allows to monitor notifications from any applications which are important for You and perform sound reminder periodically" (taken from the app's description). I have not tried it myself, so no guarantees how well it works – but going by it's description it should do exactly what you want.
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  How to distinguish between SIM cards in a Dual SIM phone?
  dual sim • • Duquan  

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  The following process for installing and naming SIM cards in a Dual SIM phone helped me to identify SIMs clearly and quickly at all times. This refers to a use case when you want to use one SIM for mobile data and the other for phone calls. You may have to adapt that to your use case. Place your data SIM into the SIM 1 slot. Insert the SIM tray into the phone. Give your data SIM a SIM name "SIM1 Network-Name Data" in the Android settings. Obviously, change "Network-Name" to the name of your network operator, such as "O2" or "T-Mobile". Place your phone SIM into the SIM 2 slot. Insert the SIM tray into the phone. Give your phone SIM a SIM name "SIM2 Network-Name Phone" in the Android settings. Why and how this helps By inserting and naming one SIM card after the other in a two-step process, it becomes easy to identify which of the two SIM cards is which in Android, even if both SIM cards are for the same mobile network. After naming SIM cards, you can in principle swap them in the SIM tray. The SIM names refer to the SIM cards and not the SIM slots, so swapping cards will change the icon position and position in the SIM card list, but will have no effect on the SIM card configurations. So after the initial setup, it would be easiest to always and only identify your SIM card by name in Android, forgetting about which card is in which slot. However, that is not recommendable because there is one exception that requires us to know which SIM card is SIM 1 and which is SIM 2: the signal strength icons in the status bar only use positions (SIM 1 left, SIM 2 right), not SIM names. Due to this, it is best to simply include the SIM number at the start of your SIM name (e.g. "SIM1 O2"). That also makes it clear that SIMs are ordered by SIM number in the SIM list, which is otherwise not obvious. In addition, it is best to put the SIM used for data connections into the SIM 1 slot. This is because otherwise you'll be confused when trying to figure out to which SIM a single connection type identifier ("4G", "3G" etc.) refers when it appears in between the two signal strength icons in the status bar. The connection type identifier always refers to the icon following it, but you will forget that. Placing the data SIM into the SIM 1 slot makes it unnecessary to remember this, as the connection type identifier icon will then appear before the first icon, evidently referring to that first icon and not the second. In addition, it can be a good idea to include the ending digits of the SIM card numbers in the Android SIM names, for example "SIM1 O2 Data #…5481. That makes it possible to make sure the SIM cards are in the trays they should be, even if both come from the same network operator. It also tells you which physical SIM card is meant for which use, without having to consult other notes in or out of the phone.