Upgrading my smartphone has never been an easy task for me. Probably because I get so familiar with the way it operates. But there are times when you just have to bite-the-bullet and go for it. So, here's my recent experience upgrading my Android smartphone.

So, I had purchased my Droid 4 about three and a half years ago, and it worked just fine for the first couple of years. Then it started having battery run time issues and had to be charged every night.
I had thought about just getting a replacement battery, and that would fix the problem. But this was one of those devices that the manufacturer had glued the battery in-place.
Replacing the battery meant I would have to carefully pry out the old battery, ensuring not to puncture the battery casing. Have you ever seen what happens when you puncture a lithium-ion battery? It's right up there with the exploding battery issue.
So, when my Droid 4 could not hold a charge for more than a couple of hours, I knew it was time for a change. But when I tried to get the back cover off the Droid 4, I found that the battery had swollen to 150% its original size, it was time to get a new smartphone.
I took a look at what my carrier offered for smartphones. I had three (3) requirements; a removable/replaceable battery, a micro SD card slot, and it had to be inexpensive (damage from accidentally dropping it is a significant concern).
So, I ordered a new Samsung Galaxy J3 and prepared for the move. Even though the battery in my Droid 4 was malfunctioning, the device itself was still functioning correctly. As soon as I got the new Samsung J3, I started the process of upgrading my smartphone.
- The first thing I did was back up everything I wanted to keep from both internal storage and the micro SD card. I had to turn on USB debugging to do this. Even though I am going to move the existing micro SD card to my new phone, I still want to back up the data (photos, music, etc.) I have on it.

Since this will be the third phone I am using this micro SD card with, I may just reformat it to get rid of any junk I don't need.
- I powered off my existing Droid 4 and removed the micro SD card. Since the battery had started to bulge out, getting the back cover on or off was extremely hard. But with a little finesse, I was able to do it.
- I tried to connect the new phone to my existing phone carrier's network. What was supposed to be simple turned out to be a little more complicated, but not much. For a day, in my spare time, I tried powering off my old phone and then powering on the new phone. All I keep getting was an error about not being able to connect to a server and to please try again later. I was in no hurry, but I finally called the support number listed on the error screen. After confirming the order number, my new phone finally was able to make a connection and started to function correctly.
After setting up all of my different accounts (Gmail, email, etc.), all that was left was to install all of my apps using Google Play. This process took a little time to figure out, as I wanted to install the same apps on my new phone that were on my old phone, but there did not appear to be a clear way for me to do it. I did finally come across how to do it.
How to install apps from one Android device to another using Google Play
- Bring up Google Play in a browser on your computer (sign-in if you are not already).
- On the menu on the left side of the page, left-click on Apps.
- On the Apps menu, click on My apps.

- Pull-down the All Apps menu and select your old device.
- Left-click on the app you want to install on your new device.

- In the lower right corner of the app information, you will see a button that says Installed. Left-click on it and bring up the app installation dialog box.

- On the app installation dialog box, you need to choose a device to install it on. When you pull down the device menu, you will see that there is only one device you can install it on. Left-click on your new device and then left-click on Install.
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