I really like my S7 Edge. However as a direct result of installing the Oreo update I have significant battery drain. The drain is attributable to cell standby which sometimes reaches over 50% of battery use. It definitely did not do this on Nougat, ever. Show
I have not added any apps to cause this problem and would really like a suggestion about what to do. I can't believe Safe Mode will have any effect as this has happened as a result of the upgrade, not rogue apps. I am not keen to do a factory reset either as I can't see the benefit. I have cleared the cache, removed some apps, restarted etc, turned off any battery hungry options in settings but to no avail. If anybody could help me I would be very grateful. I believe it is a bug in Oreo or Samsung's altered version of Oreo but cannot prove either. I can't think what to do apart from find out how to downgrade back to Nougat, which I don't want to do. The Galaxy series held a standard design for quite a few years ever since the release of the Galaxy S2, and it wasn’t until the Galaxy S7 and S7 Edge that the company finally pushed forward into the modern era. While the devices may be more than 2 years old now, they were guaranteed the Android 8.0 Oreo update, which Samsung finally delivered after 9 months of the official release. However, everything isn’t hunky dory in paradise just yet, as the Android Oreo version has proven to be the bane of Samsung’s existence. The rollout of Android 8.0 was halted after multiple reports of issues from users, but the new and improved update is now on its way. However, the common issues that exist on newer Galaxy devices do still come along with the Oreo update for Galaxy S7 and S7 Edge. Related: Samsung Galaxy S7 Oreo update: Which countries and carriers have received it? Contents show
Battery issues (battery drain and leak problems)Considering that your Galaxy device is already old enough to begin showing signs of physical battery deterioration, don’t expect the device to give you the long-lasting screen-on time it once did. Nonetheless, considering Android 8.0 battery optimizations, if you aren’t able to make your device last the entire day under regular usage or experience battery drain issues that don’t seem to go away, here’s what you can try out. Possible solutions:
SMS notification issuesBack when Samsung began rolling out the Android 8.0 Oreo update for the Galaxy S8 and S8 Plus, the most common complaint that users began pointing out was regarding the Samsung Messages app. Apparently, the company decided to remove the ability to set custom notification tones for individual contacts, and this seemed to cause a strong backlash among the users. It seems the absence of this essential feature has been noted by Galaxy S7 and S7 Edge users after the latest Android Oreo update. Possible solutions: After listening in the to the feedback from the users, Samsung has decided to bring back the ability to set a custom notification tone for each contact in the Samsung Messages app. The feature is rolling out as a part of the app update, so make sure to update the Samsung Messages app to version 5.0.21 or newer to see the feature show up on your device. If you can’t seem to get the update officially, feel free to get it using this guide:
Random reboot issuesAfter bring updated from Android 7.0 Nougat to Oreo, Samsung Galaxy S7 and S7 Edge users have enjoyed better user interface and battery life, but not everyone is ecstatic about it. For some on the community forums, their device seems to abruptly turn off or become unresponsive, and seems to only work after performing a soft reset, but the issue seems to resurface after a while. Possible solutions:
Connectivity issuesIt has been widely reported that Android Oreo does cause persistent connectivity issues on certain devices, and Galaxy series is included in this list. Users have reported issues of Bluetooth connectivity on the newly updated Galaxy S7 and S7 Edge as well, along with problems connecting to Wi-Fi networks and maintaining the connectivity once everything is properly set up. Wi-Fi issuesPossible solutions:
Related: Best Samsung phones at the moment [April 2018] Bluetooth issuesPossible solutions:
Slow charging issueAfter the latest Oreo update for the Galaxy S7 and S7 Edge, battery and charging issues have been a recurring pain point for users across the globe. There have been reports of sluggishly slow charging speeds, quick discharge cycles, all of which can be essentially fixed. Possible solutions:
Missing Notification badge iconThere are certain features that makes the Samsung Galaxy series stand apart from the rest, and the ability to view unread notification count directly on the app icon itself was one such feature of Galaxy devices. However, with the release of Android 8.0 Oreo and addition of Notification Dots by default, it has taken over the Notification badge icon feature, which users certainly aren’t happy about and you can certainly change it. Possible solutions:
Screen-tearing issueOne of the more uncommon issues on the Galaxy S7 and S7 Edge arose just after a few days of the Android Oreo update. Users began to notice artifacts and screen-tearing issue on their Galaxy S7 and S7 Edge devices when using certain graphics-intensive apps such as Pokémon GO on their mobile devices. The users also reported that Google’s new ARCore service for augmented reality based apps also began crashing frequently. Possible solutions: Fortunately, the issue is not singular and after being reported multiple times, it has been addressed in the new firmware update released by Samsung. It seems that the issue was with the GPU MALI drivers that caused the screen-tearing issue, and has been fixed with the firmware updates Firmware versions G930FXXU2ERE8 for the Galaxy S7 and G935FXXU2ERE8 Galaxy S7 Edge. Finally, if nothing else seems to work, you can back up your important user data and perform a hard reset (factory reset).
SprintDM service notification issueWhile the factory unlocked version of the Galaxy S7 and S7 Edge were the first to receive the Oreo update, network carriers in the United States swiftly followed. Sprint was one of the brands to release the Oreo update late, but now that most Sprint users of the device have the new update, they’ve been plagued by the constantly popping notification of the SprintDM service that doesn’t seem to go away. Possible solutions:
Troubleshooting GuideSoft ResetPress and hold the Power, Home, and Volume Down buttons simultaneously for 10 seconds until the Galaxy S7 and S7 Edge powers off. This is ideal for situations when your device screen becomes unresponsive. Hard Reset
Wipe Cache Partition
Do let us know if you are experiencing an issue that is not covered above. We will try our best to help you out. How many hours does S7 Edge battery last?Note: The device Standby time is up to 14 days and Use/Talk time is up to 28 hours. For additional information about charging your battery, please see the Charge the Battery tutorial.
Why S7 Edge battery drain fast?Faulty Application: It is possible that a certain application on the mobile phone might be causing the battery drain by running in the background and even using the data while doing so. Also, if a certain application has stored a lot of cache on the device, it can also use up the battery rapidly.
Which battery is best for Samsung S7 Edge?A Mobile Battery For Samsung Galaxy S7 Edge. Is Samsung S7 Edge battery good?Well, the Samsung Galaxy S7 Edge offers decent battery life, no doubt about that. It beats many other phablets out there in terms of power management, with the iPhone 6S Plus in particular losing out in the battery test – Apple's device does seem a touch stronger in general power management, but it's very close.
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