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Galaxy S6 keeps losing Wi-Fi, mobile data, and cellular signals after Android update, other issues

This is the final post for #GalaxyS6 issues for the week. We hope that those looking for solutions to similar issues mentioned here will find this article useful. We will resume publishing more of the same posts in the coming weeks so keep watching.


These are the specific topics we discuss here today:

  1. Google Calendar and Task apps in Galaxy S6 opens links in Chrome instead of Gmail app
  2. Sprint Galaxy S6 periodically losing Wi-Fi, mobile data, and cellular signals after Android update
  3. Galaxy S6 buttons not working properly | Galaxy S6 screen is cracked
  4. Galaxy S6 keeps showing apps have stopped working
  5. Verizon Galaxy S6 can make or receive phone calls | Can’t hear the person on the other end when Galaxy S6 is receiving or making calls
  6. Galaxy S6 Edge won’t sync email after installing Android update

If you are looking for solutions to your own #Android issue, you can contact us by using the link provided at the bottom of this page, or you can install our free app from Google Play Store.

When describing your issue, please be as detailed as possible so we can easily pinpoint a relevant solution. If you can, kindly include the exact error messages you are getting to give us an idea where to start. If you have already tried some troubleshooting steps before emailing us, make sure to mention them so we can skip them in our answers.

Problem #1: Google Calendar and Task apps in Galaxy S6 opens links in Chrome instead of Gmail app

Hello. I am using Google Calendar App on Android (have been for a long time with no issues, on multiple devices). I use the Gmail App for Android (also for a long time, no problems). I also use Google Calendar & Gmail on my desktop – all sync successfully across all platforms, including EVENTS ADDED FROM GMAIL that INCLUDE THE EMAIL LINKS. The all caps is now the problem – suddenly, when attempting to open these EMAIL LINKS in the Google Calendar App, the App included a message that I did not seem to be using the Gmail app & only opens the Gmail Inbox in Gmail Mobile Browser on the Chrome browser (Not the specific email). The same is true for links in Google Tasks (for which I use GTasks app) – as of the same time, those links no longer show & even if I add it manually to the task notes, it does not open GMail App – but the same GMail Inbox on Mobile Browser version in Chrome.

It doesn’t matter how I create the event, task or link, the result is the same – from More tab, create event – from a date or time in the actual email – automatic entry from email — adding the email link as a note to any calendar event result is the same, GMail Inbox in GMail Mobile Browser on Chrome. It is as if the calendar app, GTasks or phone no longer finds the GMail app. I cannot find a setting to “reconnect” them. Any suggestions?

Actions taken (not necessarily in this order):

  • account removed and restored apps
  • uninstalled and reinstalled phone
  • restarted app
  • caches cleared
  • looked for some change in permissions that could have caused this to no avail
  • confirmed phone software fully updated to most recent version available for it.

Thanks for any help you can provide. — Julie

Solution: Hi Julie. One thing that we don’t see in the things you’ve tried is to clear Google Chrome browser as the default app.  Go under phone Settings>Applications>Default Applications. Once you’re in default applications section, tap on CLEAR button beside Google Chrome and try again.

If that won’t work, wipe the phone via factory reset. Here’s how:

  • Turn off your Samsung Galaxy S6 Edge.
  • Press and hold the Volume Up, Home and Power keys together.
  • When the device powers on and displays ‘Power on logo’, release all keys and the Android icon will appear on the screen.
  • Wait until the Android Recovery Screen appears after about 30 seconds.
  • Using the Volume Down key, highlight the option, ‘wipe data/factory reset’ and press the Power key to select it.
  • Press the Volume Down button again until the option ‘Yes — delete all user data’ is highlighted and then press the Power key to select it.
  • After the reset is complete, highlight ‘Reboot system now’ and hit the Power key to restart the phone.

If factory reset won’t change the behavior of the apps in question, it’s very likely that Google may have changed some codes that resulted to this bug. Don’t hesitate to contact Google for more assistance.

Problem #2: Sprint Galaxy S6 periodically losing Wi-Fi, mobile data, and cellular signals after Android update

Hi. Phone- Samsung S6. All updates to date. Very Strong Wi-fi signal —  52Mbps. Software Version: G920PVPS3CPG1 Hardware: G920P.02 Android version: 6.0.1 Security:  MDF v2.0 rel 6 VPN v1.4 rel 6.1

Saw that you gave an answer to Chris about connection problems with home Wi-fi. I keep my phone on my desk, which is >10 feet from the WI-FI / router. I do not have restrictions and everything was working fine until about 2-3 weeks ago when Droid updated to the newest software. Since then it drops signal all the time … wi-fi, mobile data, etc. even when it has 2-4 bars of service. Took it to Sprint. They did the PRL and something else to it…said that might fix it… it did not.

Anything you know of might be making it switch off from Wi-fi or mobile data areas? Like I said, I leave the phone sitting there…20 minutes later…you have lost data connection and nothing has changed. Router has been reset, etc. and it’s basically only 4 months old. My computer does not lose connection or anything else connected to the WIFI….3 tablets do not have the problem. I depend on the Wi-fi for phone service in this low lying area so at night I wake up, lost connection, no phone service now either…hit wi-fi to reconnect. It will…just needs a kick sometimes. — Darryl

Solution: Hi Darryl. There are two basic things that you must do if problems occur after updating Android — wipe the cache partition and factory reset. If you haven’t tried wiping the cache partition yet, kindly follow these steps:

  • Turn off the device.
  • Press and hold the following three buttons at the same time: Volume Up key, Home key, and Power key.
  • When the phone vibrates, 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 cache partition.’
  • Press the Power key to select.
  • When the wipe cache partition is complete, ‘Reboot system now’ is highlighted.
  • Press the Power key to restart the device.

Observe the phone for sometime so you’ll know if the problem remains. If nothing will change, do a factory reset. Steps are provided above.

There’s a reason why developers release updates from time to time. Now, sometimes incompatible/outdated apps can also result to conflicts with the operating system. Make sure that ALL of your installed apps are updated, or more importantly, designed to work with whatever firmware version you have. Due to Android fragmentation, making sure that apps will work properly with almost all Android devices and firmware version can be very demanding for developers. An app designed to work with Android Lollipop may now become buggy when used with Marshmallow or its later versions. It’s also worth noting that changes made by carriers to the most recent Android iteration can result to a unique bug for a particular phone model. For example, AT&T firmware update may lead so some form of SMS-related issues on their devices, which will be unheard of in the same device running on Verizon network.

Some network-related issues may also be attributed to a buggy or outdated baseband version of the phone. Baseband version is an operating system solely used by an Android device’s modem or communication processor, which is a chip responsible for processing all networking functions. The code used by the modem is separate from Android (operating system) so it must also be updated periodically so that it works harmoniously with whatever new changes to Android OS brings. Because modem chips running in some Galaxy S models may not be manufactured by Samsung (other manufactures include Texas Instruments, Qualcomm, or Intel), firmware update for a particular chip may not be up-to-date (although most of the time third party manufacturers include their own updates with carrier Over-the-air updates). Since only the firmware developer from a carrier knows whether or not there’s a baseband version update included in a usual OTA update, there’s no way for us or the users to know it. If your network-related issues stay after a factory reset, we strongly suggest that you seek help from your carrier.

Problem #3: Galaxy S6 buttons not working properly | Galaxy S6 screen is cracked

Hi. My lock button and home button work…occasionally … to be modest. They work about 10% of the time I push them. I tried to turn on the accessibility menu but those don’t work either. When I booted in safe mode, I got the Android service screen with “Optimizing App 3 of 3” before getting to the lock screen while holding the volume down button. In safe mode, the problem persists when I am in a factory installed app (such as Gmail). The problem did not happen when I did not have an app open (when I was at the home screen hitting the lock button).

I installed button savior, and this allows me an option to lock or power off my phone consistently, but all of these symptoms seem so odd and inconsistent with either completely hardware or app issues.

Please let me know if you have any idea what may be going on and how to fix it. Also, I don’t think it is related, but my screen has been cracked almost since I got the phone – just in case it is relevant. — Cat

Solution: Hi Cat. If software solutions (like booting in safe mode, wiping the cache partition, or factory reset) did not help, then you can assume that you have a hardware issue. A cracked screen is NOT normal and is usually an indicator that the device may have been dropped. Also, a hardware button that doesn’t work of the time is a clear sign of hardware malfunction. All these signs should have prompt you to seek professional help. There’s no software “magic” that you can do to fix them on your end. Have the phone’s hardware checked so issues can be identified. Better still, simply have the phone replaced. A repair on this type of issue may not guarantee a full fix.

Problem #4: Galaxy S6 keeps showing apps have stopped working

Trouble started Labor Day weekend with apps displaying the message “Unfortunately Maps, Calendar, Lyft, Google UI, Google Play, Pandora ect. has stopped.” On occasion a prompt to report the problem would pop up and I would attempt to send it. Some times going through, others I’d simply be flooded with stopped app errors. Then it began restarting itself. After 10 minutes or so it would calm down, but as the weeks progressed, it got worse until now it refuses to be turned off via the power button, though it does vibrate and restart when pressed though no power menu is displayed. Repeated scans with AVG mobile have shown no problems, and I have a minimum of apps. I was able to get to safe mode, however while it “initialized background” it would restart. It also enables NFC every time. At this time, I am just waiting for it to lose the last of its 22% power. Until I hear from you, I’ll simply drain the power to FORCE it to shut down and plug it in an attempt a proper restart. Earlier tonight the android OS updated and optimized 40 apps followed by an additional 10. — Hitch

Solution: Hi Hitch. These are things that you can try (in this order):

  1. Do a factory reset (steps provided above)
  2. Observe the phone for a few hours (without installing back your apps)
  3. Contact Samsung (or your carrier) for replacement if nothing changes

The first two steps are important if you want to find out if a software modification has resulted to apps crashing constantly. You also need to do them if you attempted to root or modify the official firmware prior to contacting us. Flashing custom ROMs or rooting can lead to problems at times. Make sure to flash the stock firmware if the problems started to appear after you installed a custom ROM.

If you dropped the phone or got it wet (without notifying us about it), forget the first two steps and simply proceed to the third. Doing any software solution won’t help.

Problem #5: Verizon Galaxy S6 can make or receive phone calls | Can’t hear the person on the other end when Galaxy S6 is receiving or making calls

No one can hear me, whether I call them or they call me, no one can hear me. My phone breaks up so badly they can’t make out a thing I am saying. I use my phone for work, and my customers get so mad I have to stop and find a phone! Verizon told me it was APPS on my phone. I took ALL the apps off, and still have the issues, so now I have a $700 useless phone. I can’t even use it for apps, which I don’t understand since my son has LOTS of apps and can still use his phone as a phone.

This is a serious problem for me and Verizon will not help at all. I have done both soft and hard resets, I have taken all the apps off, I have downloaded the Kill Task, I have turned it off and on a million times. The only thing left to do is run over the stupid thing, unless you know of something I haven’t tried. — Valerie

Solution: Hi Valerie. To check if it’s really an app issue, do another round of factory reset and observe the phone for a day. Make sure that you don’t re-install your apps during the observation period.

If you’ve already tried the software solutions we mention above without apparent change to your phone’s behavior, now may be the time to find a replacement unit. There’s a big chance that the problem is hardware in nature, possibly a bad microphone, so getting a new phone (or having the microphone replaced) is the resolution.

Problem #6: Galaxy S6 Edge won’t sync email after installing Android update

My problem is the following: I have the S6 Edge configured with my Outlook work email account and two Gmails accounts. After I installed one of the Samsung Android update, I have stopped receiving emails. What happens is that I need to enter the mail app so it syncs and I can receive the emails. This is driving me crazy because I need the phone to let me know when I receive new email. What´s the point of me having to refresh my email every 15 minutes to see if I receive an email? I checked the sync options and reconfigured the account several time with my company´s IT guy and they got to the conclusion that this was an error with the last Android update that Samsung was going to correct in the next update.

Yesterday I installed the new Android update with the hope that this would be solved and I´m at the same place. Do you know what is happening? Fun fact: when the phone is charging (I mean connected to any power source, emails arrive just fine) Thanks!! — Martin

Solution: Hi Martin. We don’t know what’s happening either but if the issue started after an update, wiping the cache partition and doing a factory reset may help. If these two change anything, then you may simply have to wait for a patch that may address this bug.


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