In most cases, however, your Android contacts only to be deleted or lost when you can’t find them.
Android updates don’t matter anywhere near as much as they used to.
Most Android devices don’t get timely operating system updates, but Google is updating more and more of the Android operating system in the background.
Now let's go through how to retrieve lost contacts from an Android phone, but you need to free download the program on your computer first.
Note: Once your Android data get lost, you'd better not to add or delete data in the Android smartphone.
Of course you can restore deleted contacts from your Android phone.
In Part 1, it allows you to directly recover deleted contacts from Android or SIM card on Android phones with Android Photo Recovery App, which is a very effective and popular recovery tool in the market.
Android applications ("apps") can be downloaded from the Google Play store, which features over 2.7 million apps as of February 2017.
Android has been the best-selling OS on tablets since 2013, and runs on the vast majority, Android has two billion monthly active users, and it has the largest installed base of any operating system.
Android is a mobile operating system developed by Google, based on the Linux kernel and designed primarily for touchscreen mobile devices such as smartphones and tablets.
Android's user interface is mainly based on direct manipulation, using touch gestures that loosely correspond to real-world actions, such as swiping, tapping and pinching, to manipulate on-screen objects, along with a virtual keyboard for text input.
Many Android users feel depressed when all of their phone contacts have been erased after you factory reset phone, format SIM card or delete data accidentally.