Samsung Smart Switch Stuck at 99% Problem: How to Fix? (Proven Tips)

Sophie Green
Home > Resources > Tips & Tricks > Samsung Smart Switch Stuck at 99% Problem: How to Fix? (Proven Tips)


Gone are the days when people use a mobile phone until it is broken. Nowadays, with the continuous improvement of features, technology and material of a smartphone, people change their phones frequently in order to catch up with the latest technological advancement. However, recently, many people ask for help in solving Samsung Smart Switch stuck issue in Samsung forum. Some people say Samsung Smart Switch gets stuck on loading backup lists or Samsung Smart Switch backup is stuck, others complain that Samsung Smart Switch is taking a long time to load information.

Samsung Smart Switch is an app to transfer data from Android/iOS/BlackBerry/Windows phone to Samsung phone. However different Samsung Smart Switch stuck situation is on your device, you may be eager to know how to fix Samsung Smart Switch stuck problem so that you can transfer data smoothly between devices. Don't panic. In this article, we will analyze the possible reasons for Samsung Smart Switch stuck at 99 percent issue and provide effective ways to fix Samsung Smart Switch stuck problem.

samsung smart switch stuck

Part 1: Possible Reasons for Samsung Smart Switch Stuck at 99% Issue

Samsung Smart Switch is no doubt an excellent data transfer tool for you to transfer files to Samsung device. However, it malfunctions sometimes. There are a few reasons for Samsung Smart Switch stuck problem, and the following are some common reasons:

  • Improper installation of Samsung Smart Switch from unknown or third-party sources.
  • There may be a storage shortage on your target device.
  • There may be any compatibility issues with either device or certain data types on your device.
  • There may be some hardware or software problem with either device.
  • One of your device is corrupted or has a malware.
  • There may be a problem with Wi-Fi connection or USB cable.
  • One device is in low battery.

Part 2: How to Fix Samsung Smart Switch Stuck Problem

Before you fix Samsung Smart Switch stuck issue, have a look at the following tricks to make sure you are using the app correctly.

  1. You have installed Samsung Smart Switch on both devices.
  2. The source phone runs at least Android 4.3 or iOS 4.2.1.
  3. The target device is a compatible Samsung phone.
  4. If the source device is iPhone, make sure you have trusted the connected Samsung on it.
  5. Make sure you have launched Samsung Smart Switch on both devices.
  6. Never forcefully exit or stop the process during transfer.

If you have checked those basic operations but Samsung Smart Switch stuck problem exists, you can try the following troubleshooting of Samsung Smart Switch stuck at 99% issue.

Solution 1: Make sure that the USB cable and ports work well

Check if there are any physical damages on USB cable, adaptor or USB ports. You can connect the USB cable and adaptor with other phones to see whether they work well or not. And you can clean the USB port with a piece of dry cloth.

Solution 2: Charge your devices

Make sure that both devices have sufficient charge, if not, disconnect your devices, plug both into power and charge them first. Because Samsung Smart Switch stuck at 99% problem really exists when your device is in low battery.

charge phone when smart switch backup stuck

Solution 3: Restart the Wi-Fi and your phones

If you are migrating data between phones via Wi-Fi network, then Samsung Smart Switch stuck issue may also result from discontinuous Wi-Fi network connectivity. In this case, you can restart the Wi-Fi connection by going to your device's Settings > Wi-Fi and disable the feature. Then restart your phones, enable Wi-Fi and input the password again. Alternatively, you can turn on/off Wi-Fi feature from the drop-down screen of your phones.

Check it out: You can easily fix the issue of Sony Xperia Transfer app not working with this helpful guide.

Solution 4: Update your phones

Sometimes, Samsung Smart Switch stuck problem occurs because this app and your device are incompatible with each other. To solve Samsung Smart Switch stuck at 99% problem, you can update the software version of your phone from the Settings on home screen > System & updates > Software update > Check for updates > Download and install and wait for a while until the update is over. Then restart your phone and relaunch Samsung Smart Switch to see whether Samsung Smart Switch stuck problem exists or not. (Note: Remember to back up any important data before updating.)

update samsung when samsung smart switch stuck

Solution 5: Clean up cache partition and free up more space on Samsung

If you are transferring massive data from the source device to Samsung and Samsung Smart Switch gets stuck on loading backup lists or Samsung Smart Switch backup gets stuck, there may be insufficient space on your target device. You can fix this by freeing up more space on Samsung: Go to Settings > Click Storage to check how much space is there and tap Clean up below to free up more space. You can also manually delete some unwanted photos, music, videos or uninstall unnecessary apps to free up more space.

Besides, some corrupted cache data can also cause Samsung Smart Switch stuck issue. Thus, you can clean up some cache data, which is used to speed up the access to phone apps, to make your phone run smoothly. The steps are as below:

Turn off your Samsung > Press and hold the Volume Up button and the Bixby button, then press and hold the Power button > Do not release all buttons until you see Android logo (Installing system update will first appear before Android system recovery option) > Press the Volume Down button to select Wipe cache partition > Press the Power button to confirm > Press the Volume Down button to select Yes and press the Power button to confirm > When finishing wiping cache partition, press the Power button to select Reboot system now.

Notes: Do not install any apps after rebooting system, you can update your phone first. And if Samsung Smart Switch stuck problem still exists, you may need to check your phone in a Samsung service center.

Solution 6: Do not transfer apps

Apps take more time and space to transfer, and many users say they will encounter Samsung Smart Switch stuck issue when they include apps during transfer. So, if the massive data you transfer from other device to Samsung includes apps, try to exclude apps this time. Then there is a good chance that the Samsung Smart Switch stuck at 99% problem will disappear.

Solution 7: Reinstall Samsung Smart Switch

If Samsung Smart Switch still gets stuck after you update your device and clean up cache partition, then the problem may have something to do with the app itself. You can try to fix it by going to the device's Settings > Apps > Find Samsung Smart Switch > Uninstall. After that, you can reinstall it from Google Play Store on both devices again.

Solution 8: Clear Samsung Smart Switch cache

If you have tried above troubleshooting but Samsung Smart Switch taking long time to load or transfer still exists, you can also clean its corrupted cache on both devices from phone's Settings > Apps > Samsung Smart Switch > Storage > Clear cache.

clear cache as smart swictch stuck

Solution 9: Restart your phone

If nothing works, you can power off and restart your phone to see whether Samsung Smart Switch stuck issue exists or not. In many cases, reinstallation of this app and restarting your phone can solve Samsung Smart Switch stuck at 99% problem. However, if all solutions fall flat but you are urgent to transfer data from old phone to Samsung phone, you can try other alternative apps to migrate data.

Part 3: Best Alternative When Samsung Smart Switch Stuck Problem Occurs

Samsung Data Transfer is the best alternative app to Samsung Smart Switch when you cannot solve Samsung Smart Switch stuck at 99% problem. I highly recommend it to you because it has several highlights. Firstly, it can migrate data between Android and iOS devices and has four transfer modes - Android to Android transfer, Android to iOS transfer, iOS to iOS transfer and iOS to Android transfer. That is to say, you can not only transfer data from Android/iOS device to Samsung, but also Samsung to Android/iOS device.

Secondly, you can back up phone data to Samsung device with original format and without quality loss. Thirdly, it reads and transfers only, and has no privacy risk. Fourthly, it is highly secure, easy to operate, fast to transfer and light in size.

Well, you can transfer contacts, SMS, call logs, music, videos, photos, eBooks and apps from Android to Samsung and transfer contacts, SMS, music, videos, photos and eBooks (PDFs & ePubs) from iOS to Samsung. And Samsung Data Transfer is widely compatible with all iPhone, iPad, iPod and all Android devices with Android 4.0 and later, including Samsung, Sony, LG, Huawei, ZTE, Motorola, etc.

For Samsung devices, it supports most types, like Samsung Galaxy S20/S20+/S20 Ultra/Z Flip/Z Flip Thom Browne/S10+/S10/S10e/S/S9+/S9/S8+/S8/A70s/A70/A50s/A90/A20s/A80/A60/A40s/A8s/A9s/A6s/A9 Star/A9 Star Lite/M30s/Fold/S20+/S20, Samsung W20, Galaxy Tab S6/S5e/S4/S3/S2/A 2019/A/A2017/A2016/E, Galaxy Note 10+/10/9/8, etc.

samsung data transfer windows download samsung data transfer mac download

How to transfer data from other phone to Samsung?

1. Install and launch Samsung Data Transfer on your computer.

launch samsung data transfer on computer

2. Connect both devices to computer via suitable USB cables and enable USB debugging or grant permission on your devices when prompted. Make sure that Samsung device is in the target phone's position, if not, click Flip to make a change. You will see Connected in both phones' position on this program after successful connection.

connect devices to computer via samsung data transfer

3. Check wanted files from the table and tap Start Copy to begin data transfer. Then you will have all chosen data on Samsung device in seconds.

transfer data between devices via samsung data transfer when samsung smart switch gets stuck

The Bottom Line

Samsung Smart Switch stuck problem is really annoying when you transfer data between two devices. Luckily, you find the troubleshooting about Samsung Smart Switch stuck issue in this article. You can have a try of above solutions if you encounter this problem. Besides, you can also choose the alternative app - Samsung Data Transfer to quickly transfer data between devices, which is completely secure, easy to operate and fast to transfer.

In addition, if you encounter any problem during use, feel free to leave a comment below.

Related Articles:

How to Fix Samsung Smart Switch Not Working?

Samsung Smart Switch Alternative: 6 Equivalents Worth Pursuing

[Updated in 2019] How to Transfer Contacts from Samsung to Samsung?

4 Best Samsung Backup Apps and Software in 2019

Android to Android Transfer - How to Transfer Data from Android to Android?

iPhone to Android Transfer - How to Transfer Data from iPhone to Android?

Sophie Green Chief Editor

Sophie Green, Chief Editor of Samsung-messages-backup website, has been focusing on the realm of Android Recovery, Android Transfer (Backup), Android Device Tips, Phone Clean, and Phone Transfer technologies. Recognized contributions on leading platforms attest to her esteemed expertise and reliability.