Recently Google announced the latest Gmail version 4.2 that comes with numerous bugs fixes and new features like in the previous there was no option to zoom, you just was able to view emails at a fixed zoom but the Gmail 4.2 version introduced pinch-to-zoom feature for maximum zoom even it now also includes the swipe-to-delete/archive option, but it’s not available yet.
However if you want to try the Gmail 4.2 before Google release the new version officially, all you need is root access on your Android device. The Gmail 4.2 apk installation involves ADB, I’m not sure it’s possible but if you really want it, let’s start. If your device isn’t rooted, head over to this link to check out our root guides here and you also need to make sure a root-enabled file explorer is installed on your Android device such as the file expert.
DISCLAIMER: Please proceed the below guide at your own risk, Android Egis will not be held responsible if your device lost data or gets damaged following this guide.
Step #2: Copy the downloaded Gmail2.apk to the internal storage of your Android device.
Step #3: To be safe, you should perform a nandroid backup (put phone into recovery mode and take nandroid backup).
Step #4: Now on your device, remove or move any Gmail.apk, go to /system/app for Gmail.apk and /data/app for com.google.android.gm-1.apk.
Step #5: Reboot your Android device.
Step #6: Once your device is booted, install the apk file you transferred in step 2, if it doesn’t work, copy the file to SDK/Platform-Tools folder and enter below command in adb:
adb install Gmail2.apk
That’s it, you should now have the Gmail 4.2 on your Android device, it’s important to note that depending on your ROM, you may find the Gmail .odex files, remove this file.
Via: Android Police
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