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Solutions for Samsung Galaxy Note 2 Wi-Fi, Network, Mobile Data Connectivity Problems [Part 1]

Welcome to the first part in our focused troubleshooting series dedicated to Wi-Fi, network, and mobile data problems on the Samsung Galaxy Note 2. Although this is already an old phone model, which was released in 2012, we still get a lot of emails from our readers regarding this phone. This is the very reason why we are still supporting this device in our Android troubleshooting series.

Samsung Galaxy Note 2

In this installment of the series we will tackle three problems sent to us by our readers regarding the mobile data and network issues of their device.

If you own a Galaxy Note 2 or any other Android device for that matter then feel free to send us an email at mailbag@thedroidguy.com. We will be more than happy to assist you with any concern that you may have with your device. This is a free service we are offering with no strings attached. We however ask that when you do send us an email try to be as detailed as possible so that an accurate assessment can be made and the correct solution can be given.

If you would like to browse the previous parts in this series then check out this link.

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Note 2 Network Disappears Then Phone Freezes

Problem: Hi there, My problem with my Note 2 is network goess off and then it freezes like a hell. When I reboot, Samsung logo screen pops up and it stays like that forever unless I charge the phone. There is no way I can restart without charging it. Do u have any idea how to deal with it? I’ve been using all the authentic products of Samsung on this note 2. I haven’t used SD card on this so far either. I perused most of your solutions online. But seems like nobody has faced this kinda problem I’m facing now. Could you help?

Solution:  The first thing that you need to do in this case is to backup your phone data and do a factory reset. This allows you to eliminate any software related problems that may be causing the issue.

  • Turn off the device.
  • Press and hold the following three buttons at the same time: Volume Up key, Home key, Power key.
  • When ‘GALAXY Note II’ appears on the screen, release the Power key but continue to press and hold the Volume Up key and the Home key.
  • When the Android System Recovery screen appears, release the Volume Up and Home keys.
  • Press the Volume down key to highlight ‘wipe data / factory reset.’
  • Press Power button to select.
  • Press the Volume down key to highlight ‘delete all user data.’
  • Press Power button to select and start the master reset. When the master reset is complete, ‘Reboot system now’ is highlighted.
  • Press the Power key to turn the restart the device.

If the problem persists try using a new battery on your phone and if that fails this may already be a hardware related issue. You will need to bring your phone to an authorized service center and have it checked.

Note 2 Mobile Data Freezes When Online

Problem: My phone gets a red x where the 4g logo should be and freezes up whenever I get on the internet. Then it will shut down and keep turning off and on until I take out the battery, put it back in and put it on the charger. It also drains my battery almost instantly when this happens.. for example if it’s on 100% when the red x pops up, after I take the battery out(for about 2 seconds) and put it back in my phone will be on about 12% once it’s cut back on. Do you have any idea what this could be?

Solution: Just like the problem above you will need to eliminate any software related causes by backing up your phone data and doing a factory reset.

  • Turn off the device.
  • Press and hold the following three buttons at the same time: Volume Up key, Home key, Power key.
  • When ‘GALAXY Note II’ appears on the screen, release the Power key but continue to press and hold the Volume Up key and the Home key.
  • When the Android System Recovery screen appears, release the Volume Up and Home keys.
  • Press the Volume down key to highlight ‘wipe data / factory reset.’
  • Press Power button to select.
  • Press the Volume down key to highlight ‘delete all user data.’
  • Press Power button to select and start the master reset. When the master reset is complete, ‘Reboot system now’ is highlighted.
  • Press the Power key to turn the restart the device.

If the issue persists then try getting a new battery and use it on your phone.

If the above troubleshooting steps fail to resolve the issue then this may already be a hardware related problem. You will need to bring your phone to an authorized service center for checking.

Note 2 Mobile Data Stops Working

Problem: I have a Samsung note 2 SGH-I327 MOBILE and when I am inside my house or work and sometimes on bus my data stops working and I go into roaming mode? When people call goes directly to answering machine. I’ve been in contact with provider numerous times and they can’t figure it out and have also taken it in for tech support and reinstalled firmware and factory reset and still nothing. It’s been 2 weeks with having to use WiFi as my only connection? Please help.

Solution: Have you verified if the issue is not network related? Try placing your SIM in another phone and see if you can replicate the problem. If the problem is the same then this may be network related. You will have to contact your carrier regarding this.

If however the issue does not occur when your SIM is in another phone then the issue may be with your Note 2.

Is the roaming feature of your phone active? Try turning it off and see if this makes any difference.

  • Press Apps.
  • Press Settings.
  • Press More settings.
  • Press Mobile networks.
  • Press Data roaming to turn the function on or off.
  • Press OK, if required.

If the issue still persists after this then you may have a hardware problem. Bring your phone to an authorized service center and have the hardware of your phone checked.

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Feel free to send us your questions, suggestions and problems you’ve encountered while using your Android phone. We support every Android device that is available in the market today. And don’t worry, we won’t charge you a single penny for your emails. Email us at mailbag@thedroidguy.com. We read every email but can’t guarantee a quick response. If we were able to help you, please help us spread the word by sharing our posts with your friends.

11 Comments

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  1. Galaxy Note 2 weak signal, drops signal, useless. Compared it with another EE android phone and it has 3 bars whilst the Note 2 is dropping signal.

    Swapped the sim cards over and note 2 still dropping signal. Pretty useless TBH.

  2. My Galaxy note is having internet connection problem. It works for sometimes and lose internet connection while signal strength remains the same. To regain internet connection, I normally I restart my phone by holding the power and home key at the same time, for some seconds. When I put the SimCard in another phone, it works fine. I tried the following to try to solve the problem
    1. Factory reset – an attempt to clear any software issue
    2. Reconfigured the APN settings according to Vodacom
    But the problem is not solved

    Please assist!!

  3. Good day,am having issue of network with my Samsung galaxy note2 after I changed the charging pot ,it show network bar and sim card but it will still tell u only emergency calls. And I try different sim,still I can’t make calls it show not registered on network.
    Pleas wat can I do to solve this problem, I will be glad to have your assistance.thank u.

  4. I have a problem with my Samsung Note II too. It won’t charge and can’t turn it on. I’ve already tried some batteries but still won’t work. Maybe the possible cause that my phone won’t work is that I connect it on our speaker. After I play some songs it got battery low Then I charge it after few minutes suddenly got blackout. and I can’t turn it on. How will I fix this ?

  5. Comment*have a sumsung note 2 n7100 it recognises network but still write no service and wen u try calling it says not registered on network

  6. ave got galaxy note 2..the problem is that the network keeps on failing from zero bar to two on the network display …the phone has physical damage whereby the glass screen is broken bul it stil touches very well …how can i fix thise problem

  7. No. The wifi antenna is probably not making contact with the board. The wifi/Bluetooth antenna are one and the same. It is physically attached to the mid back (under the battery cover) you will need to disassemble the phone. The antenna remains attached on the mid back. There is a small spring on the board that touches the antenna contact. Very carefully bend that spring up about 2 mm. Reassemble and it should work fine.

  8. Recently I cannot connect to WiFi & Bluetooth with my Note II. Went to local Samsung
    store and without doing a proper technical assessment were told I need
    to replace the board?

  9. Recently I cannot connect to WiFi & Bluetooth. Went to local Samsung store and without doing a proper technical assessment were told I need to replace the board?

  10. am using Samsung Galaxy Note 2 .I am Having Sim issues in my cell it Only supports my sim for1 or 2 Hours after that it doesn,t Support My sim I have Changed My sim but still Had That Problem after 1 or 2 Hours if i try To send Message A Message Appears “.Unable To send Message The message will be sent when the service wil l avaliable ” and I had to restart my cell again & again and again.
    plz help me With this…..

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