I Can't Make Calls On My Android, Repair Signal, Receive Calls SOLUTION.
- 1.- CHECK THE COVERAGE TO REPAIR SIGNAL.
- 2.- CHANGE NETWORK MODE.
- 3.- REBOOT THE PHONE AND TURN IT ON AFTER A FEW SECONDS .
- 4.- VERIFY IF THE SIM CARD IS VERY WELL PLACED TO REPAIR SIGNAL.
- 5.- NO SIGNAL DUE TO A BAD SOFTWARE UPDATE.
- 6.- VERIFY THAT YOUR DEVICE IS NOT IN BLACKLIST.
- 7.- VERIFY THAT YOUR EQUIPMENT IS UNLOCKED.
- IF YOUR PHONE IS LOCKED, HOW TO UNLOCK IT
- 8.- RESET THE CALL FORWARDING SETTINGS.
- 9.- reset to the original software version of your smartphone.
We will learn how to solve some problems and repair signal, why our cell phone does not have signal here I am leaving you some tips with information compiled on why it does not have it and look for alternatives to make it work. No signal or no connectivity is a big problem for cellular phones for signal repair. Users want to be able to use the most basic function of a cell phone, making calls, whenever they want. While certain areas have connectivity problems, which we can hardly do anything about, some phones start to show no signal even though the network is available. This is a phone related problem and we cannot blame the network in this case.
1.- CHECK THE COVERAGE TO REPAIR SIGNAL.
It shows that the connection works, with the indicator of ?4G? or ?H? (HDSPA) or ?3G? or similar, but it is slow. You can't even watch a video or download normally. For Wi-Fi problems we recently recommended several easy and interesting solutions, now let's try to fix your cellular connection with some tips.
Identify where the signal is strongest to repair the signal
The first thing to do is to find out the signal strength, measured in dBm (decibel-milliwatt), which is the unit used by smartphones and any similar instrument. The ?bars? are useless, they are a very coarse measure and are not proportional (?two bars? does not mean coverage twice as good as ?one bar?). The dBm value received by your phone must be negative, traditionally between -50 and -100 dBm.Above this level (-100dBm, -110dBm, -120dBm, etc.) means a less strong signal.
To see it in AndroidIn iOS, you have to go to Settings > Phone (or About) > Status > SIM (or Network). In iOS you will need to open the phone application and call the number 3001#12345#. Once that is done, the iPhone will open the field test mode and you can see the dBm in the upper left corner. When you have this information, move around the house or office slowly looking for dark places with lower signal (-100dBm, -120dBm) and other with better signal (-50 or -80dBm, for example). Try to use the cell phone from these places when the connection is not working so well.
READ MORE: HOW TO SPY ON ANDROID PHONE
2.- CHANGE NETWORK MODE.
This guide will show you how to switch between 2G, 3G and 4G, if you have network connectivity issues. WARNING: SCREEN IMAGES MAY DIFFER FROM YOUR ACTUAL DEVICE.
2
Select Applications
3
Scroll down and select Settings
4
Select More...
5
Select Mobile Networks
6
Select 3G Service
If you cannot find 3G Service, proceed to the next step.
8
Select GSM Only / 2G Only to enable 2G
9
Select GSM/WCDMA to enable 3G
3.- REBOOT THE PHONE AND TURN IT ON AFTER A FEW SECONDS .
Activates and deactivates the airplane mode
Repair Signal To Toggle your phone's connection is the quickest - and easiest - way to try to fix signal problems.
Android: You can swipe down from the top of the screen to see the Quick Settings panel. Tap the Airplane icon, then wait for your phone to completely disconnect from Wi-Fi and cellular connection. That doesn't happen instantly, so give it a good 30 seconds before tapping the Airplane Mode icon again.
iPhone: iPhone X series users can swipe down from the top right corner, older iPhone models swipe up from the bottom of the screen and press the Airplane Mode icon. It will turn orange when enabled. Again, wait up to a minute before turning it off.
Restart your phone
Our phones are miniature computers, and just like computers, sometimes you can fix problems just by rebooting them.
Android: Press and hold the power button until the on-screen menu appears and then select reboot. If your phone does not offer a reset option, press and hold the power button until the screen turns off and then turns back on.
iPhone: If your iPhone has a home button, you can press and hold the sleep/wake button until the power slider is displayed. Drag the slider to the right. Once the device is turned off, press and hold the Sleep/Wake button until you see the Apple logo.
READ MORE: HOW TO CHANGE GPS LOCATION
4.- VERIFY IF THE SIM CARD IS VERY WELL PLACED TO REPAIR SIGNAL.
- The first thing you should do to Repair Signal is to locate the SIM of your cell phone. In phones where it is possible to remove the battery, it is usually next to the microSD memory. In the latest generation phones, where it is impossible to remove the battery, the SIM is usually located on the side inside a removable tray. It is important to turn off the phone before checking anything.
- Once you have identified the SIM, you can now extract it. It is usually located in a metal clip. Gently lift or slide the SIM card up and out of the clip. Lately smartphones come with an accessory to make it more convenient.
- Gently blow into the SIM slot to remove possible dirt or dust. You can use a paper napkin to dry the card if it shows signs of moisture.
What if it still doesn't work?
- Do a cross test: If the SIM still does not work and the phone displays one of the following three messages: "Insert SIM", "SIM error" or "SIM card rejected" you can verify that the problem is still with the SIM and not with your phone, you can cross test it. Insert it in another cell phone to see if it works correctly in that case. If it still does not work, you may need to replace it.
- Pay attention to the size of the SIM card: There are different sized SIM cards to fit different phones. Make sure you have the right size card for your handset.
5.- NO SIGNAL DUE TO A BAD SOFTWARE UPDATE.
Repair Signal: The bad practice of updating our phone with versions that do not correspond to it, you may have some of these problems:
- Interrupted calls or no mobile Internet access
- As long as you are connected to LTEoutgoing calls take a long time to be connected
- SMS and/or MMS services are slow or do not work at all.
- Low signal bars
Check that the phone is fully up to date. Follow these steps:
- Go to . The exact route may vary depending on your phone.
These are the typical routes:
- Click on Check now to check for updates.
- If an update is available, follow the on-screen instructions.
- If no update is found, confirm that the phone has the latest software version. Go to .
6.- VERIFY THAT YOUR DEVICE IS NOT IN BLACKLIST.
IMEI Number has 15 digits, will appear on our phone's display after entering *#06# using the keypad.
Using the IMEI24.com website you can check if your phone is blacklisted in, among others: Great Britain, USA; Canada, Australia, Ireland, France, Central European countries and many more.
All iPhone, Samsung, Nokia, Motorola, LG, Huawei, LG and other phones are supported.
Before buying the phone second hand, check if the device has not been reported to the blacklist as stolen or lost.
The phone reported to the blacklist will not be able to be used with the sim card in the country where the blocking has happened.
In some cases the phone may be reported to the blacklist also because of unpaid bills.
FREE VERIFICATION HERE
7.- VERIFY THAT YOUR EQUIPMENT IS UNLOCKED.
1. SIM
The first way is the most obvious and easiest of all. It is simply to change the SIM card that came with the phone to another provider's SIM card. Before changing the SIM card, it is recommended to turn off the phone and change it carefully so as not to damage either SIM card. One scratch and bye-bye SIM card.
Yes, it may be the easiest of all, but we don't always have another SIM card available at hand. If this is your case, there are other ways that we will show you below.
2. MANUFACTURER'S CODE
This option is available only if the manufacturer provides it. Not all are so kind or diligent, but if you are, it's a quick and easy way to check if your phone is unlocked.
IPHONE
- Open "Settings" and look for the "Mobile Data" section.
- An option called "Mobile Data Network" or "Cellular Data Network" will appear.
If this last option appears in this section, your iPhone is most likely unlocked since Mobile Data Network or Cellular Data Network is not an option that should appear if the phone is locked by the service provider.
SAMSUNG (OLDER MODELS)
- Open the "Phone" app on your cell phone (you know, the one you open when you want to dial someone's number).
- Type the following code: *#7465625#
- A couple of options should appear. If the first one indicates "OFF", the mobile is unlocked. If it indicates "ON", the mobile is locked.
SONY
- Access the Phone app.
- Dial the following code: *#*#7378423#*#*
- A screen with options should appear.
- Select "Service info" and "Configuration".
- Locate the "Rooting Status" section. If it says "Yes", the phone is unlocked. If it says "No", the phone is not unlocked.
LG
- Go to Settings > About phone > Software information.
- Locate the Software Version section. If the version ends in ?-EUR-XX?means that the cell phone is free.
HUAWEI
- Open the Phone app on your device.
- Enter the following code: *#*#2846579#*#*
- A new menu should open.
- Go to Project Menu > Network Settings > SIM Card lock state query.
- If the section says "Sim card lock state NW_LOCKED", it means that your phone is not unlocked.
3. IMEI
The IMEI is a unique code for each phone. On the portal IMEI.info you will be able to enter the IMEI number of your phone to know if it is unlocked or not. By simply entering the IMEI number of your cell phone, the website will give you information about it, such as brand, model, and yes, even lock or unlock status. Best of all, it's free.
It should be noted that this method is not 100% reliable as it does not in all cases show the information whether it is unlocked or not. Anyway, it is an alternative and as I mentioned, it is free.
So, how do you find out your phone's IMEI? Follow these steps that apply to both iPhone and Android:
- Access the Phone app on your device.
- Copy the following code: *#06#
- The IMEI number should automatically appear on the screen.
4. TELEPHONE PROVIDER
Repair Signal: This point you may well not have to do, but if all else has failed, you can try directly with your provider and ask them for information on whether the phone is locked or not.
Of course, you may have to play with them a little bit: give some excuse or check that you are the owner of the cell phone through security questions, etc. It may also happen that they deny you the code if your mobile is still under warranty, or that they make you go to the nearest office. In any case, in these times it is something completely doable and nothing is lost if you really need to know if your phone is locked or not.
IF YOUR PHONE IS LOCKED, HOW TO UNLOCK IT
If you have successfully verified that your phone is locked, and you wish to unlock or unlock it to use it with another provider, there are several alternatives to do so, but in the vast majority of cases (if not all) you have to pay. The amount may vary depending on the phone to be unlocked or unlocked.
The best thing to do is to go to a reputable technician who can unlock it. In Puerto Rico there are several companies that can do it, but as I mentioned, each one will have its price. It may not be the fastest way, but if your phone can be unlocked it is recommended.
TELEPHONE COMPANY
The first thing you should do is to check that your mobile is not within the warranty period. This is to make it easier for the operator to provide you with the unlock code without too many obstacles. This information is usually in the purchase contract of the device.
Once you have checked, all you have to do is call the Customer Care number of your mobile network. Once you are connected to an operator, simply tell them that you want to unlock your handset.
It is important to have at hand the IMEI number, model of your device and any other information that may appear on the box or the contract. You may be asked some security questions, but if the line is yours, there should be no problem.
2. DOCTORSIM TO REPAIR SIGNAL
In case the Customer Care operator refuses to give you the unlock code and instructions, there is an alternative. Just follow these steps:
- Enter the web site of DoctorSIM.
- Select the manufacturer of your locked cell phone.
- Enter the requested data (IMEI, number, operator, country, email, etc.).
- Select the payment method and accept the terms and conditions.
- Wait until you receive the unlock code.
- Using a SIM from another operator inside your cell phone, enter the unlock code and press "OK".
3. APPLICATIONS
If none of the above alternatives is an option for you, there are apps that can help you unlock your cell phone. It should be noted that these apps are not miraculous, but they work in many cases so you can give them a try. Of course, they are only for Android and you will have to experiment with them by searching for them in the Play Store.
What the unlocking apps do is give you a code, which you have to enter into your phone and hope for the best. If it works, you'll have your phone unlocked. If not, you will have to resort to other alternatives. A good option to unlock your mobile is the app Unlock.iocreated by SDWebs.
8.- RESET THE CALL FORWARDING SETTINGS.
- Select Phone.
- Select MORE.
- Select Settings.
- Select More settings.
- Select Call Forwarding.
- Select Voice call.
- Select the desired type of detour.
- Select OFF.
How to deactivate call forwarding?
- If you want to deactivate this function, dial ##67# OR #43# and press the call.
- When you want to divert your calls to another number: to do this all you need to do is dial **21*number from deviation# and press the call.
- If you want to deactivate this function, press ##21# and the call.
- Reset to default values ##002
9.- reset to the original software version of your smartphone.
How to reset your Android device to factory settings
- Open the Device Settings app.
- Press System
Advanced Restoration options.- If you don't see the "Advanced" option, press Restoration options.
- Press Clear all data (reset to factory settings) Resetting the phone o Reset the tablet. If necessary, enter your PIN, pattern or password.
- Press Delete all to delete all data from the device's internal storage.
- When the device has finished erasing data, select the option to restart the device.
- Configure your device and restore the backup of your data.
Advanced If you are unable to open the Settings app on your device, you can try resetting your Android device to factory settings via the power and volume buttons. For device-specific instructions, please visit the manufacturer's support site.
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