bought a phone brand STAR from China. The device has several
features. I put the SIM1 and SIM2, was usually set up in the carrier.
Then I made some configuration changes that do not remember. Then the
phone was blocked to make calls. And the message is: NOT ALLOWED TO DIAL
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need. Goodluck!
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Can't connect to Internet through WiFi on Android Tablet/Phone. ... 4.Try to turn off/on Wi-Fi on the device. Turn off Wi-Fi first, [Settings]>>[Wi-Fi] >>[OFF]. Then turn on Wi-Fi, [Settings]>>[Wi-Fi]>>[ON].
Your cellular carrier can provide you with a "signal booster" device that can repeat and boost a cellular signal you already get in your house. For example, if you consistently have one bar of coverage but no more at home, a booster can take that one bar and turn it into more bars. If you have one or two bars of coverage near a window but no coverage elsewhere in your home, a booster near that window can capture the signal and boost it, providing a strong signal throughout the rest of your home.
Some carriers offer such devices very inexpensively - $50 or maybe even free - especially if you're in an area where they know they know they have poor coverage. T-Mobile now offers such boosters for only a $25 deposit, which you can get back just by returning the booster to them.
Contact your carrier - or look at their website - to see just what they'll offer you and for how much.
Femtocells / Microcells
A femtocell - or "microcell" - is a small, low-power cellular base station that connects to the cellular network via your broadband Internet connection. Essentially, it's a small cellular signal tower that will provide a signal in and near your home, connecting to the larger mobile network over your Internet connection. This makes it ideal for situations where you don't even have a signal bar of coverage you can boost at home. The only "catch" is that your Internet connection must have a high enough download speed. Different carriers require different minimum speeds, but you should be fine as long as you have a solid broadband connection.
Ask your cellular carrier if they offer this sort of product and find out how much it will cost you. As with boosters and repeaters, a femtocell may be available at a steep discount from your carrier in areas they know they have poor cellular service.
You can also buy them easily on Amazon or almost any decent tech store - for instance the one pictured below works for AT&T and supports LTE (though it is a bit pricey), or you can get one that supports Verizon, T-Mobile, AT&T, Sprint, Cricket, and many others, but you won't get LTE support. Of course, since you likely have Wi-Fi in your house, LTE isn't really a big deal and the 3G will work just fine for calls and texts.
Editor's Note: For the official How-To Geek office we got a Samsung microcell device directly through Verizon, which wasn't cheap, and doesn't work all that well. And since it only works for Verizon, any of the people who come by who use other carriers have zero signal, which is really annoying. If we could do it over again, we'd have started with this zBoost microcell that supports virtually every cell provider and has many different models and options to choose from depending on the size of the house. They even have an optional antenna you can install on your roof to give cell coverage everywhere around your house. It's the best choice, and cheaper than most carriers will offer you.
Wi-Fi Calling and SMS
Wi-Fi calling is a feature you might remember from some years ago, but it's coming back with a vengeance. At the moment, in the US, only T-Mobile offers Wi-Fi calling for both Android phones and the iPhone. Sprint only offers Wi-Fi calling for select Android phones. AT&T and Verizon have announced plans to activate Wi-Fi calling in 2015.
Essentially, WI-Fi calling allows your smartphone to receive and place calls and communicate via text messages over a Wi-Fi network. Your home probably has Wi-Fi, so Wi-FI calling will let you use your existing wireless router instead of needing a new, specialized device. You can just improve your Wi-Fi signal strength, and all your devices will benefit!
Wi-Fi calling works transparently. When your phone is on Wi-Fi and has a poor cellular signal, it will connect to the Wi-Fi network and your phone calls and text will be sent and arrive over the Wi-Fi network. When you leave the Wi-Fi network, your phones and calls will be sent over the cellular network as usual. This is all designed to hand-off automatically, so you could start a phone call on your Wi-Fi network and your phone would automatically hand off to the cellular network as you walk out the door, with no interruptions.
WI-FI calling will also work on other WI-Fi networks, so it's helpful if you ever end up in another place where you have a poor cellular signal but have Wi-Fi. To use this, you'll need to ensure your phone has Wi-Fi calling support and that it's enabled. Android phones from T-Mobile and Sprint will often include this feature, so look up how to enable it on your specific model of Android phone.
The iPhone 6 has built-in Wi-Fi calling, although it currently only functions on T-Mobile. AT&T and Verizon plan to support it in 2015. To enable this feature on an iPhone, open the Settings screen, tap Phone, tap Wi-Fi Calling, and activate it.
WI-Fi calling seems to be the future goal the industry - T-Mobile, especially - is pushing towards. With Wi-Fi calling integrated into your phone, you don't need to buy a specialized device. Your home Wi-Fi router works. And, when you go somewhere else where you have a poor signal, all they need is a Wi-Fi network and you'll be able to get a phone calls and SMS messages through it.
Image Credit: Carl Lender on Flickr, Nan Palmero on Flickr, Wesley Fryer on Flickr
The "Cannot Connect" message indicates that your device is not able to access the internet, either through your cellular service provider (ie. Verizon, AT&T, T-Mobile, etc.) or through a Wi-Fi router if you happened to be connected to one. You must have a data plan in order to gain access through your provider. Also check the settings on your phone to make sure you are connecting to a Wi-Fi if you happen to have access to one at home or work place.
iOS: Troubleshooting Wi-Fi networks and connections
This Issue is Related To Your apple Mobile And Make Sure You Already Install HP Printer Software In Your Desktop or Laptop. If yes I suggest you perform below Solution for Your Apple 5s and HP Priter Connectivity Issue:
Learn how to troubleshoot WiFi.Issues you may encounter while using your iPhone, iPad, or iPod touch.
Occasionally while using your iOS device, you may notice unexpected Wi-Fi behavior:
Difficulty locating or connecting to a network
Unexpected Wi-Fi signal strength or disconnects
Inability to access the Internet
Not automatically connecting to WiFi when expected
Follow these steps to troubleshoot the above issues:
1.Be sure you're in range of your Wi-Fi router (access point).
2.TapSettings WiFiand turn WiFi off and on. If your Wi-Fi setting is dimmed,follow these steps.
1.Confirm that your Wi-Fi router and cable or DSL modem are connected to power, turned on, and connected to the Internet. If not, refer to your network administrator or Internet service provider (ISP) for assistance.
2.Restart your iOS device.
3.Tap Settings WiFi and locate the WiFi network to which you're connected.
4.Tap and Forget this Network.
5.Try to connect to your desired Wi-Fi network. Note: You may need to enter your Wi-Fi password again if your network requires one.
6.Turn your Wi-Fi router off and on. If your ISP also provides cable or phone service, check with them before attempting this step to avoid interruption of service.
7.Update your deviceto the latest version of software.
8.Update your Wi-Fi router to the latest firmware. For AirPort Base Stations,install updates using the AirPort Utility.
If the issue is still unresolved
Follow the steps below for the issue you're experiencing.
Collapse All'Expand All
Unable to locate a Wi-Fi network
Unable to connect to a Wi-Fi network
WiFi disconnects or signal strength is less than expected
Unable to access the Internet while connected to Wi-Fi
Unable to automatically connect to Wi-Fi
Find information onconnecting to a Wi-Fi network.
Some third-party routers may not be compatible with all iOS devices, even after updating to the latest firmware. If your iOS devices can successfully connect to other Wi-Fi networks, contact your router's manufacturer to ensure that your router is compatible with your iOS device.
See recommended settings forconfiguring your Wi-Fi router for use with iOS devices.
1.iOS devices sold in China may use the term Wireless LAN (WLAN) instead of Wi-Fi. Not all China iPhone models supportWLAN.
2.If needed, please consult with your network administrator (which may be your Internet Service Provider) for assistance with this step.
3.iPhone 5, iPad devices, and iPod touch (5th generation) are the only iOS devices that can connect to 5 GHz networks.
Android tablets, unlike Android phones, don't require mobile phone service or a contract with a mobile phone company, and several models use Wi-Fi for network connectivity. The Android 3.0 operating system, known as Honeycomb, is designed specifically for tablets, and has the same features for Wi-Fi connections that are available with earlier versions of Android. Android tablets support wireless connections encrypted by both WEP and the more-secure WPA.
Tap the "Apps" menu on the tablet screen. Touch "Settings." Touch "Wireless and Networks" and select "Wi-Fi Settings." Tap the "Wi-Fi" box to turn on Wi-Fi. The Android tablet scans for available Wi-Fi networks and displays them on-screen under "Wi-Fi Networks." Tap an available Wi-Fi network. Touch "Connect" if it is unsecured, or enter the password or passcode for the encrypted connection. Tap "Connect."