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Android Enthusiasts

Q&A for enthusiasts and power users of the Android operating system

Latest Questions

4 votes
2 answers
17505 views
How to change network interface used by Android?
When I boot up my Android Device and go to WiFi settings, the status of WiFi remains "Turning Wi-Fi on" forever. I looked it up in logcat logs, and below is the error that I see. E/wpa_supplicant( 1713): nl80211: Could not set interface 'wlan0' UP E/wpa_supplicant( 1713): wlan0: Failed to initialize...
When I boot up my Android Device and go to WiFi settings, the status of WiFi remains "Turning Wi-Fi on" forever. I looked it up in logcat logs, and below is the error that I see. E/wpa_supplicant( 1713): nl80211: Could not set interface 'wlan0' UP E/wpa_supplicant( 1713): wlan0: Failed to initialize driver interface E/wpa_supplicant( 1713): Could not read interface wlan0 flags: No such device Below is some useful information. root@android:/ # netcfg netcfg lo UP 127.0.0.1/8 0x00000049 00:00:00:00:00:00 gannet0 DOWN 0.0.0.0/0 0x00001082 1e:e9:6e:bf:45:f7 dummy0 DOWN 0.0.0.0/0 0x00000082 ba:ad:f6:ae:6a:09 rmnet0 DOWN 0.0.0.0/0 0x00000000 00:00:00:00:00:00 rmnet1 DOWN 0.0.0.0/0 0x00000000 00:00:00:00:00:00 rmnet2 DOWN 0.0.0.0/0 0x00000000 00:00:00:00:00:00 rmnet3 DOWN 0.0.0.0/0 0x00000000 00:00:00:00:00:00 rmnet4 DOWN 0.0.0.0/0 0x00000000 00:00:00:00:00:00 rmnet5 DOWN 0.0.0.0/0 0x00000000 00:00:00:00:00:00 rmnet6 DOWN 0.0.0.0/0 0x00000000 00:00:00:00:00:00 rmnet7 DOWN 0.0.0.0/0 0x00000001 00:00:00:00:00:00 sit0 DOWN 0.0.0.0/0 0x00000080 00:00:00:00:00:00 ip6tnl0 DOWN 0.0.0.0/0 0x00000080 00:00:00:00:00:00 Contents of /system/etc/wifi/wpa_supplicant.conf: update_config=1 ctrl_interface=wlan0 eapol_version=1 ap_scan=1 fast_reauth=1 **Question**: How can I enable Android to use some other interface other than wlan0? Things tried: 1) I tried to edit ctrl_interface parameter in /system/etc/wifi/wpa_supplicant.conf using adb pull and adb push to other interfaces shown by netcfg, but Android still tries to use wlan0. 2) I also tried to start wpa_supplicant daemon using the below command. /system/bin/wpa_supplicant -Dnl80211 -idummy0 -c/system/etc/wifi/wpa_supplicant.conf but this gives an error. E/wpa_supplicant( 5390): dummy0: Failed to initialize driver interface
g4ur4v (141 rep)
Feb 1, 2014, 02:51 PM • Last activity: Jun 26, 2025, 01:07 PM
0 votes
2 answers
350 views
If I remove someone's Google account from my phone, will they know?
In my Accounts and Backup, under Manage Accounts, I have my relative's email added. - If I remove their Google account from my phone, will they know? - Do they get notified if you look through their email or do anything in their account?
In my Accounts and Backup, under Manage Accounts, I have my relative's email added. - If I remove their Google account from my phone, will they know? - Do they get notified if you look through their email or do anything in their account?
user579752 (11 rep)
Apr 2, 2025, 03:18 AM • Last activity: Jun 26, 2025, 11:25 AM
1 votes
3 answers
2657 views
How to use terminal on Android to ssh access my server?
Can I ssh into a Linux Server from my Android device?
Can I ssh into a Linux Server from my Android device?
NINJA (29 rep)
Jun 9, 2015, 03:13 PM • Last activity: Jun 26, 2025, 07:38 AM
22 votes
5 answers
37710 views
How can I export a list of currently installed applications to a file?
When switching between ROMs, I've found it helpful to have a list of the applications that I had installed before wiping and flashing the new ROM. Is there a way to export such a list to a file so I don't have to create one manually?
When switching between ROMs, I've found it helpful to have a list of the applications that I had installed before wiping and flashing the new ROM. Is there a way to export such a list to a file so I don't have to create one manually?
Nick Meyer (553 rep)
May 29, 2011, 01:10 AM • Last activity: Jun 26, 2025, 04:45 AM
-2 votes
1 answers
32 views
English (US) Voice pack is taking forever to download update
I want to use voice access and it's telling me to download a English US Voice pack to be able to use it. I have an Android phone with Android 11. I saw a similar question here, where people are advised to download live transcribe app as an alternative to download the voice pack but in there the Engl...
I want to use voice access and it's telling me to download a English US Voice pack to be able to use it. I have an Android phone with Android 11. I saw a similar question here, where people are advised to download live transcribe app as an alternative to download the voice pack but in there the English US is just downloading as well and I downloaded another English UK and I was able to download it successfully. Please help and advise. <img src=" class="img-fluid rounded" style="max-width: 100%; height: auto; margin: 10px 0;" loading="lazy">
Victory Adeayo Adesuyi (1 rep)
Jun 19, 2025, 09:19 PM • Last activity: Jun 25, 2025, 04:16 PM
3 votes
2 answers
33368 views
Can I downgrade to an earlier version of Android after installing an OTA update?
I installed the KitKat upgrade on my Nexus 7, but I am unhappy with it. Is it possible to roll back to an earlier version of Android (Jelly Bean)?
I installed the KitKat upgrade on my Nexus 7, but I am unhappy with it. Is it possible to roll back to an earlier version of Android (Jelly Bean)?
Disappointed of Bedford (41 rep)
Nov 26, 2013, 11:49 PM • Last activity: Jun 25, 2025, 02:44 PM
3 votes
2 answers
10767 views
How to set background image without fitting/expanding to fit screen?
When choosing a background/wallpaper image that has a very different size ratio than that of my screen, Android will choose to expand my picture until its height matches that of the screen. In the process, the width gets expanded too, even beyond the screen width if necessary. That means that much o...
When choosing a background/wallpaper image that has a very different size ratio than that of my screen, Android will choose to expand my picture until its height matches that of the screen. In the process, the width gets expanded too, even beyond the screen width if necessary. That means that much of the image is missing (left and right of the center part, by default - but the portion that is visible can be changed). How can I prevent this from happening, or otherwise choose the zoom factor with which my image gets set ? PS. Android 11 on Samsung Galaxy A40
Charles (141 rep)
Oct 18, 2022, 07:54 AM • Last activity: Jun 25, 2025, 02:44 PM
1 votes
1 answers
163 views
How to get rid of GMS (Google Mobile Services) issues on de-Googled devices?
Recently I've decided to de-Google my phone, and noticed some issues: 1. GMS is NOT the core of AOSP, BUT is definitely required for most apps that need some account management to work properly like all Google apps and most third-party apps that I can easily live without or replace with other apps....
Recently I've decided to de-Google my phone, and noticed some issues: 1. GMS is NOT the core of AOSP, BUT is definitely required for most apps that need some account management to work properly like all Google apps and most third-party apps that I can easily live without or replace with other apps. 2. The lack of Google Play Services drastically slows down some of the basic apps like browsers (not all of them, but most like Chrome, Edge & Brave), although I can use browsers or alternatives for things like synced calendars, notes, and office. I currently have no idea how could I make the basics work flawlessly with GMS completely removed. Any recommendations?
Triggered (11 rep)
Jul 12, 2023, 09:07 AM • Last activity: Jun 25, 2025, 02:43 PM
0 votes
1 answers
2055 views
Recover WhatsApp chat history using crypt14 file
I tried to restore WhatsApp chat history using the crypt14 file following the steps on the [WhatsApp page ](https://faq.whatsapp.com/6181521285295518/?helpref=hc_fnav&cms_platform=android&cms_id=6181521285295518&draft=true). The backup file is detected by WhatsApp, the restoration process ends, but...
I tried to restore WhatsApp chat history using the crypt14 file following the steps on the [WhatsApp page ](https://faq.whatsapp.com/6181521285295518/?helpref=hc_fnav&cms_platform=android&cms_id=6181521285295518&draft=true) . The backup file is detected by WhatsApp, the restoration process ends, but at the end a message appears stating that it was not possible to restore the conversation history. Can someone help me please? I even tried to put other folders from the WhatsApp folder that I had saved in the WhatsApp folder (Media, Backups, etc.), but it still didn't work. I don't have a backup on Google Drive, so there is no such restore option.
Marco (101 rep)
Jan 7, 2024, 07:54 PM • Last activity: Jun 25, 2025, 02:42 PM
0 votes
1 answers
53 views
Complete Green screen
My phone screen turned green and it's been 5-6 months... I want to back up and recover some important data, so that's why I want to keep it. The thing is the screen is completely green without showing anything. I did a quick research, the nearest problem I got is from this youtube channel: [Screen T...
My phone screen turned green and it's been 5-6 months... I want to back up and recover some important data, so that's why I want to keep it. The thing is the screen is completely green without showing anything. I did a quick research, the nearest problem I got is from this youtube channel: Screen Turns Green Suddenly? Here's How to Fix Android phone Green Screen Issues . But mine's worse than this problem. The youtuber's phone is completely green, but at least, somehow it manages to show icons and for some minutes seemed back to normal and could go to the setting or after restarting, the Samsung brand icon showing up. However mine's just green. Perhaps you might suggest buy a new one (but I need the data). I'm just upset when I have replaced the LCD twice, and this time, it only lasts for 1 or 2 months after replacing and the green screen reappears. I even lost money twice more than the original price of the phone (darn!, Sorry). I don't even know if my screen is showing the home page (on mode), or perhaps even it's on the off mode. I couldn't tell which is which... So how to resolve this problem? Replacing the LCD would cost 3/4 of a similar price to the phone when it's sold, but if that's gonna work, I'll do it. I care about my data... So could someone convince me safely that if I replace the LCD it would work again as usual? The condition of my phone while it's charged: enter image description here It's Samsung Galaxy A73 5G, by the way, and yes, I posed a question before about 3 green lines (which was nothing serious compared to this one) and since then I have replaced the LCD but the second replacement (my first replacement was few months ago), it's broken again. I'm frustrated and not even sure whether the problem is on the screen or something about the motherboard or whatever it's called... Any good advice would really help.
user516076 (259 rep)
Jun 19, 2025, 11:40 PM • Last activity: Jun 25, 2025, 11:59 AM
2 votes
3 answers
43210 views
TWRP recovery not launching
I have OnePlus 3 (A3003). I installed a custom ROM. Since then, I can't get to recovery mode. If I try booting into it, my phone gets stuck on the OnePlus logo. I tried flashing it with fastboot, ``` C:\...\Android\android-sdk\platform-tools> fastboot flash recovery recovery.img target reported max...
I have OnePlus 3 (A3003). I installed a custom ROM. Since then, I can't get to recovery mode. If I try booting into it, my phone gets stuck on the OnePlus logo. I tried flashing it with fastboot,
C:\...\Android\android-sdk\platform-tools> fastboot flash recovery recovery.img
target reported max download size of 442499072 bytes
sending 'recovery' (18964 KB)...
OKAY [  0.580s]
writing 'recovery'...
OKAY [  0.144s]
finished. total time: 0.726s
And also I tried flashing it with the TWRP app, it gave me an error telling me that I have already installed it. What is the problem?
Herruzo99 (21 rep)
Jan 2, 2017, 04:36 PM • Last activity: Jun 25, 2025, 10:06 AM
0 votes
1 answers
54 views
How does Android Private DNS offer any security if it can simply be downgraded to unencrypted port 53 DNS?
[![enter image description here][1]][1] [1]: https://i.sstatic.net/CUDdeP4r.png As shown in the screenshot, my Amazon eero Pro 6E is downgrading Private DNS (DNS Over TLS) requests from my Android phone to unencrypted port 53 requests. This makes the “Private DNS” feature entirely pointless and not...
enter image description here As shown in the screenshot, my Amazon eero Pro 6E is downgrading Private DNS (DNS Over TLS) requests from my Android phone to unencrypted port 53 requests. This makes the “Private DNS” feature entirely pointless and not offer any security, does it not?
Patrick Dark (139 rep)
Jun 24, 2025, 09:55 PM • Last activity: Jun 25, 2025, 09:48 AM
2 votes
2 answers
7147 views
How to print out all notes and calendar events on ColorNote?
I have the ColorNote app installed on Android. How do I go about printing the notes and the calendar events? I am able to "view" all the data from the last backup. I am able to send an email to myself of a .doc file that was generated before I signed up for online sync. How do I print out the doc fi...
I have the ColorNote app installed on Android. How do I go about printing the notes and the calendar events? I am able to "view" all the data from the last backup. I am able to send an email to myself of a .doc file that was generated before I signed up for online sync. How do I print out the doc file? Microsoft Word is unable to read this .doc file.
rpkrpk (201 rep)
Dec 5, 2016, 04:13 AM • Last activity: Jun 25, 2025, 04:03 AM
2 votes
2 answers
917 views
Auto-fill on WiFi Captive Portal
Is there a way to auto-fill the username/password when connecting to a Wifi's Captive Portal? If possible, I would like a method that does not require root access. The portal opens with the system's default "HTML viewer" and not with Firefox/Chrome which would solve the problem since these browsers...
Is there a way to auto-fill the username/password when connecting to a Wifi's Captive Portal? If possible, I would like a method that does not require root access. The portal opens with the system's default "HTML viewer" and not with Firefox/Chrome which would solve the problem since these browsers offer auto-fill. This question has been asked in the past and users suggested: - Captive Portal Controller app (but requires root) - CaptivePortalLogin app which claims to do this, but is in beta and does not seem to work for me. Version: Android 11 / MIUI 12.5
andreasathan (29 rep)
Oct 4, 2023, 06:30 AM • Last activity: Jun 25, 2025, 02:03 AM
-1 votes
1 answers
43 views
Lost one mobile network slot after changing an option in 4636 dialer code
I'm using Nokia Android phone. When I dial `*#*#4636#*#*#`, the testing option is displayed. Scrolling down to radio power options, I mistakenly toggle something like DNS and turn it off. Unfortunately, I have lost one of my network slot for my Android phone. Please assist me.
I'm using Nokia Android phone. When I dial *#*#4636#*#*#, the testing option is displayed. Scrolling down to radio power options, I mistakenly toggle something like DNS and turn it off. Unfortunately, I have lost one of my network slot for my Android phone. Please assist me.
Collins (1 rep)
Jun 23, 2025, 08:20 AM • Last activity: Jun 24, 2025, 10:09 PM
1 votes
1 answers
5196 views
How to mount sdext2 partition by Apps2SD script, before system mount?
Using Apps2SD Pro app on Samsung Galaxy Note 3 N9005, Resurrection Remix Nougat v5.8.5 with Magisk v17.1. I lose the linked apps again & again after reboot. This happened several times already. I tried all mounting script types, including the advanced one, but after several reboots, the linked apps...
Using Apps2SD Pro app on Samsung Galaxy Note 3 N9005, Resurrection Remix Nougat v5.8.5 with Magisk v17.1. I lose the linked apps again & again after reboot. This happened several times already. I tried all mounting script types, including the advanced one, but after several reboots, the linked apps are disappearing (errors attached). See the Storage screenshot, where you can see the sdext2 (labelled as EXT4) mounted by system, instead by Apps2SD. The problem is that the sdext2 partition is mounted earlier than the Apps2SD is started and initialized, so Apps2SD can not mount the sdext2 partition, thus the system loses the installed linked apps. How can I make Apps2SD started before sdext2 partition is mounted by the Resurrection Remix system? <img src=" class="img-fluid rounded" style="max-width: 100%; height: auto; margin: 10px 0;" loading="lazy"> <img src=" class="img-fluid rounded" style="max-width: 100%; height: auto; margin: 10px 0;" loading="lazy"> <img src=" class="img-fluid rounded" style="max-width: 100%; height: auto; margin: 10px 0;" loading="lazy"> (Tap to enlarge)
klor (412 rep)
Nov 29, 2018, 10:11 AM • Last activity: Jun 24, 2025, 10:05 PM
0 votes
0 answers
25 views
How to fix this black blank part of the notification bar on Samsung Galaxy A50?
How to fix this black blank part of the notification bar on Samsung Galaxy A50? [![sudden notification bar glitch on Samsung galaxy A50][1]][1] [1]: https://i.sstatic.net/pBMIrtQf.jpg
How to fix this black blank part of the notification bar on Samsung Galaxy A50? sudden notification bar glitch on Samsung galaxy A50
Vboy387 (1 rep)
Jun 24, 2025, 06:21 PM • Last activity: Jun 24, 2025, 07:33 PM
-1 votes
2 answers
877 views
How do you edit an APK file so the app won't show ads?
It's one of those thoughts you have just before nodding off to sleep. How would I do this?
It's one of those thoughts you have just before nodding off to sleep. How would I do this?
Ethan Miller (125 rep)
Mar 11, 2023, 01:05 PM • Last activity: Jun 24, 2025, 05:50 PM
0 votes
1 answers
1358 views
Why is there unplayable (pending) video in my phone when I recorded video correctly?
I'm using a Samsung Galaxy XCover 5. My video is pending file even though I recorded it correctly, and there is a maximum video length on the system. [![][1th]][1] [![][2th]][2] How to solve this problem? [1th]: https://i.sstatic.net/Fyr3pc6Vm.jpg [2th]: https://i.sstatic.net/J07RJ82Cm.jpg [1]: http...
I'm using a Samsung Galaxy XCover 5. My video is pending file even though I recorded it correctly, and there is a maximum video length on the system. Image Image How to solve this problem?
Bok Brian (1 rep)
Aug 15, 2024, 12:42 PM • Last activity: Jun 24, 2025, 01:10 PM
0 votes
2 answers
4612 views
Wifi automatically turns on persistently, despite configuration
I am using a Sony Xperia L (C2104) with Android 4.2.2 (Build number 15.3.A.1.17). I can only find one setting that would turn on Wi-Fi automatically, and it is the "Location-based Wi-Fi" setting in the Power Management settings category. Of course, I have disabled this option, but I frequently find...
I am using a Sony Xperia L (C2104) with Android 4.2.2 (Build number 15.3.A.1.17). I can only find one setting that would turn on Wi-Fi automatically, and it is the "Location-based Wi-Fi" setting in the Power Management settings category. Of course, I have disabled this option, but I frequently find my Wi-Fi on. How can I fix this?
Severo Raz (123 rep)
Jul 10, 2014, 04:23 PM • Last activity: Jun 24, 2025, 10:08 AM
Showing page 17 of 20 total questions