Sure! Here’s a complete English guide on how to fix slow upload speed on both mobile and PC/laptop, written clearly and without using icons:

Full Guide: How to Fix Slow Upload Speed on Mobile and PC/Laptop
fix slow upload speed Table of Contents
On Mobile (Android and iPhone)
1. Restart Your Mobile Phone
Sometimes, simply restarting your phone can refresh your network connection and fix temporary issues that slow down upload speed.
2. Close Background Apps
Apps running in the background may use your data or Wi-Fi and reduce upload speed.
How to do it (Android):
- Go to Settings > Apps > Running apps
- Force stop any unused or heavy apps
On iPhone:
- Swipe up from the bottom and close unused apps
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3. Reset APN Settings
Wrong or outdated APN (Access Point Name) settings can affect mobile internet speed.
Steps:
- Go to Settings > Mobile Network > Access Point Names
- Tap on the three dots or menu option
- Select “Reset to Default”

4. Change Network Mode to 4G or 5G
If your mobile is set to 2G or 3G, upload speed will be slower.
Steps:
- Go to Settings > Network > Preferred Network Type
- Choose 4G only or 5G if your phone supports it
5. Use Wi-Fi Instead of Mobile Data
If your mobile data upload speed is slow, try switching to a stable Wi-Fi network for faster uploading.
6. Turn Off Data Saver or Battery Saver
These settings can limit background data and uploads.
Steps:
- Go to Settings > Battery or Network settings
- Disable “Battery Saver” and “Data Saver”
On PC or Laptop (Windows 11 or 10)
1. Restart Your Router and Computer
Unplug your router from power, wait 10 seconds, and plug it back in. Also, restart your PC or laptop. This clears temporary network issues.
2. Close Background Programs
Apps like Google Drive, OneDrive, Dropbox, or opening Chrome tabs can slow your upload speed.
Steps:
- Press Ctrl + Shift + Esc to open Task Manager
- Select unnecessary apps and click “End Task”
3. Use a Wired Ethernet Connection
Wired connections are usually faster and more stable than Wi-Fi. If possible, connect your laptop to the router using an Ethernet cable.

4. Change DNS Settings (Use Google DNS)
Faster DNS can improve internet performance, including uploading.
Steps for Windows 11:
- Go to Settings > Network & Internet > Wi-Fi or Ethernet
- Click “Hardware Properties”
- Under “DNS Server Assignment,” click “Edit”
- Choose Manual > Turn on IPv4
- Set Preferred DNS to 8.8.8.8 and Alternate DNS to 8.8.4.4
- Click Save
5. Pause Cloud Sync Tools
Syncing tools like OneDrive, Google Drive, or Dropbox may use upload bandwidth in the background.
Steps:
- Right-click the cloud service icon in the taskbar
- Select “Pause Sync” or exit the app temporarily
6. Turn Off Windows Automatic Updates
Windows might upload or download updates in the background, using bandwidth.
Steps:
- Go to Settings > Windows Update
- Select “Pause updates for 7 days” or more
7. Update Network Drivers
Outdated drivers can limit your upload speed.
Steps:
- Right-click Start > select Device Manager
- Expand Network Adapters
- Right-click your network device > select “Update driver”
- Choose “Search automatically for drivers”
8. Scan for Malware or Viruses
Malware can cause unknown internet activity, reducing upload speed.
Steps:
- Go to Settings > Privacy & Security > Windows Security
- Click “Virus & threat protection” > Run a full scan
- Optionally use third-party tools like Malwarebytes for deeper scans

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Extra Tips for All Devices
- Try to upload files during off-peak hours (late night or early morning)
- Move closer to the router if using Wi-Fi
- Check how many devices are using the same Wi-Fi network
- Contact your Internet Service Provider to check if your plan supports fast uploads
- Use speedtest.net or fast.com to test your upload speed before and after changes
Conclusion
To improve slow upload speed on your mobile or PC:
- Restart your devices and router
- Close unnecessary background apps
- Use wired Ethernet if possible
- Change DNS settings
- Turn off auto-sync or update settings
- Scan for malware
These steps usually solve most upload speed issues. If nothing works, it may be time to contact your ISP for further support or upgrade your internet plan.