A smartphone is a combination of mobile phone and PDA (peronal digital assistant) built on a mobile operating system, such as Android, iOS, or Windows. Questions about smartphones are off-topic unless they are explicitly about issues related to interfacing the phone with a computer.

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29
votes
3answers
8k views

Use a smartphone as a Dial Up Modem?

Most cellphones today have an audio jack that works as both output and input for sound. That's why there's headphones today with built in microphones for making phone calls. Now then, is it possible, ...
5
votes
1answer
3k views

Set specific USB ports to charge-only [duplicate]

On Windows, is there any way to make some USB ports to be charge-only? I do not want to alter the settings of the devices; I want to change the settings of the USB ports on Windows, so that any device ...
4
votes
2answers
7k views

How does wifi determine a device's location? [duplicate]

When I use any location based app or website, how does it know that my laptop or smartphone is where it is?
3
votes
1answer
244 views

In how far is the Ampere number important for USB powered devices?

Currently, I have three devices that can be charged via USB: Digicam: Panasonic Lumix DMC-TZ41 Tablet: Samsung Galaxy Note 10.1 2014 Edition Smartphone: Nexus 4 (LG) They have three different ...
3
votes
3answers
2k views

Hypothetically, can I swap processors between a smartphone & a desktop?

When manufacturers mention the speeds of smartphone processors, is it right in my understanding that the speeds between smartphone processors and desktop processors are comparable? In other words, ...
2
votes
1answer
424 views

What technical benefits does a router have over tethering with a smartphone?

What benefits does a traditional router and modem grant over the same functionality from a modern smartphone? I consider things such as reliability, accessibility and speed as major reasons to ...
2
votes
2answers
36 views

How to transmit audio for a call from mobile phone to PC via WiFi and back?

In a few days I'll lead a meeting in a room that does not provide any phone signal. However, during this meeting we have to call a person who can not attend this meeting in person. To make the call ...
2
votes
0answers
20 views

Why in 'tech-wars', the main actors are almost always only two? [closed]

Why in 'tech-wars', the main actors are almost always only two? Some few examples taken from very different fields of application: browser war (Netscape vs IE, or nowadays Firefox vs Chrome) ...
2
votes
1answer
167 views

What is the easiest way to change the creation time for large amounts of files so that they are sorted alphanumerically?

I am trying to get images to display in a specific order on as many smartphones as possible without them requiring specific software, and the easiest way to do this is to change the creation times of ...
1
vote
1answer
176 views

How to tell if an email was sent from a smartphone

Is it possible to tell if an email was sent through a smartphone? Is there something marked in the email headers?
1
vote
1answer
94 views

When plugging a cell phone into my PC, I always get a Windows warning “You need to format the disk before you can use it”

I have a Motorola Atrix phone (although I don't believe this is relevant to the issue). My PC is running Windows 7. When I plug the phone into the USB slot I always get the modal warning dialog that ...
1
vote
2answers
60 views

How to control music playing on my phone from my computer?

Is there any way to control music on a phone from a computer? It would be amazing to be able to type something like "Play house album" in the command line or some other computer interface, and have ...
1
vote
0answers
161 views

Remotely Control Rasberry pi via Wifi [closed]

I am designing an application in eclipse and I want to control the gpio pins on my rasberry pi, I would like to connect my phone to the rasberry pi board via wifi and control the rasberry pi...I am ...
1
vote
0answers
113 views

30% CPU usage when charger unplugged. When plugged in, cpu usage drops to 2%

I have checked by external debugger and it seems that batteryservice:update start runs 10 times per second. Other battery processes are running very often too, only with charger unplugged. It's brand ...
1
vote
1answer
1k views

Sharing Wired Internet over WiFi via Laptop [duplicate]

I have a wire-based Internet connection for my laptop and I have a smartphone which I want to connect to Internet. The laptop has WiFi but I don't know how I make my LAN traffic available to then ...
0
votes
2answers
2k views

Does a cellphone ping cell towers even in “aeroplane” mode? [closed]

In the movies and TV shows they show that the only way for a cellphone to not be traced is to take the battery out (and optionally break it in two :-). But if this is true, then that means that even ...
0
votes
1answer
43 views

Is OTG a hardware feature in smartphones? [closed]

Smartphones have OTG micro-USB that allows you to stick in USB drives straight to the phone with a connector. Some phones such as many Windows phones do not have this. Does OTG require any extra ...
0
votes
2answers
75 views

VPN location with Smartphone [closed]

My company logs the location of where you VPN from. If I use my smartphone hotspot would the VPN be able to see if I'm at home or at the beach?
0
votes
1answer
30 views

How smart phones can be viewed as storage devices by the OS?

I wanted to view the partition tables of my android and ipod using gparted.But, I could not since the OS does not recognize smart phones as storage devices.So,why is this behaviour and how can I force ...
0
votes
0answers
5 views

How do I use the PC's headset for smartphone calls, when connected through USB?

When my smartphone (Nokia 500) is connected to the desktop (Win7 x64) though USB, I want the smartphone audio to default to the PC headset for calls. How do I do that? Thanks.
0
votes
0answers
31 views

How to install drivers from Sony website

How do you install these Xperia Z2 drivers from Sony on Windows 8.1? Yes I've done an advance boot and disabled driver signature verification. I manually browse to the folder but it says "Windows ...
0
votes
1answer
25 views

Bluetooth headphones connected to PC via cable (music) AND to my phone via BT (answering calls). Is it possible?

I am unable to google anything about following scenario, so I am asking here: I am looking for bluetooth and cable headphones (with microphone). I will connect them to the PC 3,5mm audio jack via ...
0
votes
0answers
1k views

Can HDMI Transmit Touch Screen Data using MHL Adapter

I did a bit of research into MHL (Mobile High-Definition Link) and discovered it has the following feature according to Wikipedia: HDMI-CEC control of remote devices. ...
-1
votes
2answers
49 views

Charging Android phone battery [closed]

I usually connect my Android phone to my laptop with USB and leave it even after fully charged. Is it OK or harmful ? Will it reduce my battery lifetime ?
-1
votes
0answers
25 views

An android app that could send GPS data to a server [on hold]

I am looking for an android app that could be used to track some smartphones, for research purpose. There are apps such as Family Locator, etc. However, these apps can only show you the visual ...