Questions tagged [mobile-phone]

Unless the mobile phone hooks up with the computer, questions on such are off topic

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Mobile data usage on smartphone when NordVPN is turned on [closed]

I've recently started to use NordVPN on smartphone as I need to spend a lot of time in public networks. However, it is only 5th August and I have already got a data warning that I have used 2GB of ...
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27 views

Can't SAVE to Android SD Card Connected to PC

I can connect my Galaxy A7 Android phone to my PC and the phone's internal memory shows up, but ONLY for looking up files. I can't SAVE files to the phone. Here's what I'm seeing when trying to open ...
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35 views

How to get an image of an SD card with only the actual partitions, and not the empty space after them?

I have a 16 GB SD card (specifically a bootable Mobian SD card for a PinePhone) with two partitions, totalling 6 GB. The remaining space is unallocated. How can I get a 6 GB image of the SD card?
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Can I use my phone to unlock my PC?

Hey guys am a little lazy and I do not want to type in the password when the login screen shows up. Is there an app available on mobile phone that I can use to save the password there and once I have ...
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19 views

Chrome for mobile "bookmark bar" is not in the same order as Chrome for desktop "bookmark bar"

my bookmarks on mobile and desktop for chrome are synced and in the same order when accessed through settings>bookmarks. However, the "bookmarks bar" (the star) that you click to bookmark ...
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17 views

If i connected to wifi via WPS, will my mobile show on the router?

I want to know if I connect to a wifi through Wps, will the name of my mobile show on the router. Because I want to connect to it but scard of my mobile name showing on the router
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36 views

How to check when the mobile phone was disconnected from Wifi router?

Is there any way to know when my mobile phone was disconnected or got out of range from my Wifi router? From router logs or something. I have mobile phone's MAC address and IP address too. More info: ...
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-3 votes
1 answer
44 views

Does a WiFi client vary the strength of the signal it emits?

I am using a metal container to dampen my WiFi router in the hope of reducing its radiation health risks. I'm wondering if the client device might increase its own emitted signal strength to ...
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Sim network speed issue inside house

I am from Pakistan and I am using Mobilink Jazz network. Signal strength of network is good and does best job for calling and sms but when using internet it slows down. When I get outside my house (...
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1 answer
845 views

How to actually block youtube app in router?

I wanted to block youtube for my lazy brother who is addicted to. I tried map IPs that youtube app access, and block each. But Google servers is like a octopus In my router i think i have to block a ...
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-2 votes
1 answer
1k views

Why is my YouTube video distorted on so many mobile devices?

A few hours after I uploaded an FFmpeg-encoded YouTube video, the few people that I had sent it to started reporting a strange issue: that the first 26 minutes of the audio sounded very distorted; ...
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How to auto accept a call in WhatsApp?

Lets say I have a phone near but not enough to make a gesture or touch the device. I'm unable to take the phone and push the buttons. Certain contacts are safe enough, so I want to automatically ...
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Does virtual sim still require an underlying physical sim (to provide cellular data) or WiFi access?

I am a bit confused on the concept of virtual sim as explained in this Quora post. My current understanding is that a virtual sim relies on a cell phone app to generate virtual phone numbers. But ...
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1 answer
4k views

Share Photos from mobile without losing metadata? [closed]

I am frequently* sent phone-made Photos from trips from other people's Smartphones and likewise want to easily share new photos from trips together with them. The standard methods have long been ...
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7 votes
1 answer
1k views

How does a mobile phone carrier, who uses CGNAT, know when you’re using the internet?

How would a phone carrier know when you’re using the internet when they use CGNAT as other users would have the same IP at the same time? How would they be able to distinguish who’s who and how would ...
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92 views

How to ensure mobile-PC discovery in LAN?

I am developing a game that uses a PC as a monitor and a mobile phone as a gesture detector. Both devices communicate using UDP on the same local network (mostly Wi-Fi). First, the PC creates a ...
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2 votes
1 answer
784 views

2011 Mac for Flutter development

I am looking at purchasing a Mac mini to help with development of a flutter application. The newest versions are quite expensive and after looking on ebay the cheaper versions are the 2011 models. ...
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235 views

Do USB cables lose their rapid/fast charging over time?

I have several new micro USB cables. I have a phone which can be charged quickly using a fast charger. The screen says' Charging Rapidly' when it's fast charging. After a few months, the rapid ...
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1 vote
1 answer
9k views

How to get pictures off an old LG Flip Phone? [closed]

I am trying to save the photos from an LG gplg440gb flip phone to my computer so they can be backed up. The phone works fine as far as I can tell. It can make calls, take photos and play the built-...
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1 vote
1 answer
4k views

How to ping mobile device when it's on 4g network

I just want to verify which ports are open on my mobile device when it's connected to the internet over 4g, but simply netcatting or even pinging it on it's "4g ip" address doesn't work. When ...
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179 views

Export call history from Nokia (Symbian) phone

I have a Nokia 3500c phone from which I would like to export the history (log) of calls. With Nokia Suite I can export everything (contacts, SMS messages, files) but call history: Is there any [...
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2 answers
65 views

Redirect all traffic?

This is slightly unethical, but I would still ask. I have a mobile data plan which allows me to play some online games for free (i.e. the data used by connections to servers of the games specified ...
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4 votes
3 answers
5k views

Import Vcard (.vcf file) to Nokia 3310 3G phone

I want to import a .vcf file (with many contacts exported from an iphone) into a Nokia 3310 3G cell phone. I'm doing a test file first. The procedure is: load the file on a PC change the format of ...
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1 vote
0 answers
43 views

Android LG K-210 bandwith info for Taiwan [closed]

I have a Canadian LG K210 (LG Power) phone that was unlocked by the carrier Telus which I was able to use in Malaysia (for data and calling) and Thailand (calls only). Here in Taiwan, neither seems ...
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40 views

What is the best architecture to delete the video after app is uninstalled?

I am trying to make an app for my online educational platform. I want offline download feature in the app. But at the same time, I want all the videos to be deleted once the app is uninstalled. What ...
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1 vote
1 answer
2k views

Emulate a cell phone on a computer to authenticate a new email account

Background Many of the big email service providers now require a mobile phone number in order to create an account (a land line isn't acceptable). My understanding is that mobile phone access is ...
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4 votes
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Backup/access SMS on Nokia 3310 3g/2017 from Linux PC?

I'm trying to back up SMS messages on a Nokia 3310 3G onto a Ubuntu 18.04 PC; note that hardware system-on-chiand OS differs by version for a Nokia 3310 (2017): System on chip / Operating system: ...
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Where's the location of the folder /Android/OBB using NoxPlayer

I'm trying to edit a file, in a folder of a mobile game i play. I downloadwd NoxPlayer on my PC . Where's the location of the folder /Android/OBB using NoxPlayer
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1 vote
1 answer
5k views

“MediaTek PreLoader USB VCOM port” or “MediaTek USB Port”?

How the mobile phone (that is off, but had been just plugged into USB) informs the Windows PC (with installed drivers "MediaTek PreLoader USB VCOM port" and "MediaTek USB Port") how to identify itself:...
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4 votes
2 answers
12k views

Windows 10 - Your phone - Add a phone - Disabled

I am on Windows 10 Version 1809 Build 17763.316. I opened the Your phone settings page (click on Start Menu > Cog (Settings) > Phone). The Add a phone + button is greyed out. A message in red says ...
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1 vote
1 answer
875 views

Minimum write speed suggestion to a memory card for 1080p video recording with 30 FPS [closed]

I have been using a Samsung A5 (2017, SM-A520F). Its maximum performance in video recording is 1080p, 30 FPS. Please specify the minimum practical write speed that I need to have when I am buying a ...
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0 votes
1 answer
101 views

SD card files get destroyed by my PC

My PC (At work) is an HP 6305 mini-case system (I bought it as a second hand several months ago) that I have installed Windows7 Ultimate 64bit on it. When I connect an SD card to its USB port, it ...
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-1 votes
1 answer
136 views

Why don't any mobile operating systems save inactive applications's memory to their storage? [closed]

In phones, it seems that it would only bring benefits if background applications were saved to the storage instead of being killed when memory is low. Are there any reasons why this isn't done? I'm ...
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4 votes
0 answers
1k views

Creating a captive portal splash page for rasberry pi running hostapd as wifi access point [closed]

I've created an access point on a raspberry pi which users can connect to from their phones to access a local site on the pi. However, I'm trying to reduce the user flow from this: connect to wifi ...
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2k views

batch download from camscanner

Is there a way to bulk-download from the Camscanner mobile app? I've got lots of docs in Camscanner cloud there that I would like to retrieve, but I cannot find a way to download them all except for ...
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1k views

Create a bridge for mobile phone to access desktop LAN network via WIFI

My mobile phone is unable to connect to LAN network. I'm trying to get my mobile to access the same network via WIFI. I was thinking there must be a way to set up mobile hotspot which acts a bridge ...
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1 answer
612 views

Mobile phones unable to connect to new bridge

I'm a relative noob at networking and I'm running into some trouble trying to use a TP-Link Archer C9 (AC1900) to share out the internet connection from my AT&T Nighthawk LTE wireless router. The ...
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1 answer
202 views

Laptop unable access internet after a while when connected to mobile hotspot

My Laptop (HP Notebook 440 G2) when connected to my mobile hotspot shared from Redmi 3S Prime shows Limited Access (No Internet Access) a few minutes (during which I am able to access internet) after ...
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2 votes
0 answers
149 views

Create WiFi Network (WITHOUT TETHERING) using ESP8266 CP2102 Arduino? [closed]

Hi no idea if this is possible, but thought I would as some of you smart folk. So I have a holiday home WITHOUT WiFi, but I have a phone with unlimited 3G/4G connection and an Arduino WiFi module ...
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-1 votes
1 answer
277 views

How to use both wifi and cellular network on mobile phone at the same time? [closed]

Nowadays, many mobile phones can access network via different channels including cellular network as well as wifi, and for phone with dual sim, they can also access multiple networks. For fastest ...
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1 vote
1 answer
7k views

Can I be personally identified when I use my mobile device on a WiFi network?

You could say I am technologically challenged but I have a question out of curiosity. If I am using someone else's (or a companies) Wi-Fi via my smartphone, can they personally identify me through the ...
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-5 votes
1 answer
104 views

Is Windows Phone dead? [closed]

I noticed that Amazon had a deal on the Nokia 6 for Prime Day that runs Android, not Windows Phone. I went to Nokia's web site and the tech specs basically indicate that it's fully subscribed to ...
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1 answer
2k views

Make SSL certificate work identically in desktop and mobile browser

When browsing my SSL-secured site via desktop\laptop the certificate chain is OK and trusted I have checked here and found that certificate chain is incomplete (additional intermediate certificate ...
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1k views

Is extracting a ISO file to USB, the same method as creating a bootable USB?

Trying to create a bootable USB with just my phone. Was wondering if booting would work with just extracting the files to the USB. Thanks in advance!
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0 votes
1 answer
72 views

Why does phone's screen only jump around when connecting to a specific laptop?

My phone (Sony Xperia M4 Aqua) only jumps around when plugging to my 7 year-old laptop, on all USB ports. This doesn't happen with other computer or when being charged. Using a stock cable doesn't ...
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  • 1,771
0 votes
1 answer
1k views

Can I scp to localhost while logged in to remotehost

I am logged to my remote host via ssh. On my localhost I cannot issue scp remote:. /myfile. Because I am on a phone and I lack a terminal to do that. Can I issue something like, while logged in ...
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0 votes
1 answer
2k views

How can I see what my phone's wireless Mbps max transfer rate is?

From what I understand a wireless network connection is only as fast as the slowest device's max speed. So if my phone is talking to my router on a 5GHz band that is capable of 1300 Mbps transfer ...
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0 votes
1 answer
193 views

Cell phone/DSLR invisible in Altap Salamander 3.06

I am using Altap Salamander as my file manager, and I am satisfied with it. Except for the case when I connect my Xperia L (or any other phone) or my camera (Canon 700D) via USB. I can see those ...
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2 votes
1 answer
45k views

Can you charge your laptop's battery by plugging a phone via USB? [duplicate]

Whenever my phone can be plugged (via a USB cable) into my laptop computer, my laptop will charge my phone's battery. But how can I reverse this charging, to command my phone's battery to charge my ...
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2 votes
0 answers
2k views

Why doesn't my android tablet read my SD-Card, when it is readable by other devices?

I have : A feature phone An Android Tablet - iBall Slide Brillante 8GB A 2 GB Sandisk SD-Card. A Windows-7 laptop computer. My SD-Card was essentially for use in my feature phone. I have been using ...
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