Hot answers tagged 4.2-jelly-bean
GPS is automatically turned-off when not in use by apps. That said, apps can use GPS even if they work in background. So, I guess that your concern should be checking the apps that use GPS in the background, rather than turning it off completely.
Wow, after a year of searching I finally have my own answer. I don't know why, but my unit would never update from 4.2.2. Any time I tried checking for an update, I would just get a "failed" message. I found these instructions for manually updating to 4.4 (KitKat) and that worked as well as introduced the previously-missing Users menu!
I resolved the issue and it was because of the reason that I wasn't using SIM card
Not sure if this works for all notifications, or 4.x as originally asked, but I am using Lollipop (5.0.2) and just double-tapped a notification (from Google Play Store, about not being able to update an app because of insufficient storage space). It came up as a dialog box with the full text.
I wrote a TamperMonkey / GreaseMonkey script to accomplish this, which works by encoding the contact details on a friend's "about" page into a google-goggles-scannable QR code. It's not as convenient as the (missing) ability to do a bulk export/import or sync, but seems to be the best option under the circumstances. The TamperMonkey script is here on ...
As mentioned in another answer, on devices that use FUSE for SD card emulation (such as modern Nexus devices), only root can change timestamps of files in /sdcard. Since things like MTP and ADB don't run as root, you can't preserve the timestamps with these methods. However, if your device is rooted, you can fix the timestamps with a separate step ...
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