Clear cache & data from Google Play Services On your Android phone or tablet, open your Settings app. App info or See all apps. Tap Google Play Services. Clear cache.

Why is my 4G not working 02?

If there’s no known issue, try manually resetting your device by: Turning your phone off and on. Making sure mobile data is turned on in your settings. Choosing the O2 network manually in your settings.

Is something wrong with O2 today?

At the moment, we haven’t detected any problems at O2.

Why does my phone have no signal?

Check your coverage and network status – see what network coverage is available in the immediate area (by postcode), check on schedule maintenance or technical issues. Update your network connection by switching off and restarting your device.

Why is my phone signal so bad?

Poor signal strength could be your carrier’s fault, or it could be because of signal-blocking materials in your home’s walls. Whatever the cause, you can boost that signal and get the maximum number of bars at home. Or, better yet, just use Wi-Fi calling on a modern phone.

Why is my 3 signal so bad?

Issues with your device or account. Your SIM card, phone settings, a low battery, and running older software can all affect the signal. If your account is on hold, that will also prevent use of the network.

Do cell phones lose reception over time?

At the most basic level, older phones have poorer reception than newer phones. As telecommunications networks are updated from generation to generation (i.e. 3G to 4G), speeds increase dramatically. However, phones made before a certain time are not capable of tapping into the latest generation.

Why do I have no service?

Sometimes in order to fix a No Service and Signal on Android problem, you’ll need to deal with the Sim card. You may have bumped your phone somewhere and dislodged your Sim Card a bit. In order to check if your Sim Card is properly connected to your Android or Samsung device, you’ll want to turn off the phone.

Why has my SIM suddenly stopped working?

Check The SIM Card: Sometimes, when the SIM card is not inserted properly, you may find a problem of no signal or an error showing up on your screen. To resolve this problem, power off your phone and remove the SIM card. Now reinsert the card and make sure that it is inserted properly. Update the Phone Software.

Why is my SIM card not working?

SIM slot and connector sometimes accumulate dust over them, causing the device not to read the card properly. A broken pin may also cause a problem of no sim card detected on an android phone.

How do you know if your SIM is activated?

Place the sim in your 02 or unlocked phone and then text the word ‘Number’ to 2020. You will then receive a reply with the Giffgaff number which is linked to the sim. If you get a reply with a number, this means that the sim is activated. Also, Dial *100# and *100*7# free from your phone to check the sim’s balance.

Why my SIM is showing emergency calls only?

If the SIM card is not inserted or seated properly, this risks causing phone to only allow calls to 911. Ensure SIM card is securely inserted into the slot. You may also want to try a different SIM card in case the card is faulty. Contact your wireless carrier for no charge replacement SIM card.

Why is my SIM card locked?

The SIM card on your mobile phone will become locked if you enter an incorrect personal identification number (PIN) three times. To unlock it you must reset your PIN by entering your SIM card’s unique unlock key (also called a PIN unblocking key or PUK).

What do you do if you forget your SIM PIN?

If you forgot or don’t know your SIM PIN Contact the carrier that gave you the SIM card. If you aren’t sure which carrier to call, remove the SIM card and check the card for the carrier’s name or logo. Ask your carrier to help you unlock your SIM card using the default SIM PIN or PUK code.

What is my SIM network unlock PIN?

SIM Network Unlock PIN is a PIN you have to input to unlock your mobile device that is locked by a specific carrier. Phones are usually sold locked on contract with a network.

What is my sim pin?

The PIN is an acronym for Personal Identification Number and represents an access code made of four digits. When you buy a SIM card, you also receive a PIN for it. You need this four-digit code to enable the SIM card once you have inserted it into your phone, to be able to access your operator’s mobile network.

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