Solved: Battery Drain, MicroSD card undetected issues on Samsung Galaxy S5 after Lollipop Update

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Software updates are supposedly rolled out to fix any existing bugs and/or to improve performance in mobile devices. However, these updates also come with a number of unexpected  "adverse" outcomes as depicted by different post-update issues transpiring on an updated device like the Galaxy S5.

Surprisingly, a number of issues have plagued owners of the Galaxy S5 right after updating to the latest Android 5.0 "Lollipop" mobile OS.

Among the most common concerns include the device which is unable to detect microSD card as well as the battery that is draining so fast. Good thing these issues have already obtained early solutions, which is made available in this post. Here's how:

A. Problem on Battery Drain after update to Lollipop

The problem on battery drain with the Galaxy S5 is likely due to a feature that allows the device to scan for any available networks for both WiFi and mobile data. When both the Wi-Fi and mobile data are activated on the device, it promptly connects to one of these networks, depending on which is more stable or with strong signal.

If you noticed your device battery quickly drains right after performing the latest update, then you may opt to either completely disable mobile or prevent your device from switching between networks automatically. But if you often use MMS services with your device, I recommend the latter option. Remember that mobile data is required for you the send MMS or picture messaging services.

To turn off automatic switching between networks on your Galaxy S5, tap on Apps from any Home screen, then go to Settings, tap Wi-Fi and finally, remove the checkmark (uncheck) from the box next to the Smart network switch option. That should fix the battery drain issue on your device.

After performing the aforesaid procedure perform a soft reset on your device. This can be done by turning the phone off for about 30 seconds, then turn it back on afterwards. Alternately, you can just turn off the phone, remove the battery, wait for a few seconds and re-insert the battery, and finally, turn it back on.

You can use the same method to fix Wi-Fi issues on your Galaxy S5 after performing an update to Lollipop.

B. Galaxy S5 unable to detect MicroSD card after update to Lollipop

If you encounter this problem right after updating your device software, then your options would include wiping cache partition and/or hard reset.

Try to wipe cache partition first. Here's how to wipe cache partition on the Galaxy S5:

1. Power off the phone.
2. Press and hold the Volume Up, Home and Power keys simultaneously.
3. Release the Power key when the phone vibrates while keep pressing and holding the two other keys.
4. Wait until the Android System Recovery screen displays, then release the Volume Up key and Home keys.
5. Highlight wipe cache partition option by pressing the Volume Down key and press the Power key to select the option.
6. Wait until the wipe cache partition process is complete. When it's done, you will see the option to Reboot system now is highlighted.
7. Restart the phone by pressing the Power key.

If wiping the cache partition won't work for you, that's when you perform a hard reset. Just don't forget to back up your files beforehand for easier recovery after the master reset. Follow these steps to perform a hard/master reset your Galaxy S5:

1. Power off the phone.
2. Press and hold the Volume Up, Home and Power keys simultaneously.
3. Release the Power key when the phone vibrates while keep pressing and holding the two other keys.
4. Wait until the Android System Recovery Screen displays then release the Volume Up and Home keys.
5. Highlight the option to wipe data/factory reset by pressing the Volume down key. (You may need to press it several times until the option is highlighted).
6. Use the Power key to select the highlighted option.
7. Now press the Volume key until you see the option 'Yes--delete all user data' is highlighted.
8. Press the Power button to select the highlighted option and begin the hard reset process on your device.
9. Wait until the hard reset is complete. When it's done, you will see the option to 'Reboot system now' becomes highlighted.
10. Finally, restart the phone by pressing the Power key.

 If problem persists and the phone is still unable to detect the microSD card, then I suggest you take your device to an authorized service center for firmware re-flashing or re-installation.



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