How to Fix Upgrade Download Failed Wait Input Time Out Error
If you are trying to flash a firmware or PAC file to your Spreadtrum (SPD) Android device using Research Download Tool or Upgrade Download Tool, you may encounter an error message that says "Downloading failed: wait input time out". This error means that the tool has reached a timeout limit while flashing your device and has stopped the process. This can be very frustrating, especially if you need to fix your device urgently. But don't worry, in this article, we will show you how to fix this error and successfully flash your device.
upgrade download failed wait input time out
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What is Upgrade Download Tool and What Causes the Error?
Upgrade Download Tool
Upgrade Download Tool is a Windows desktop application that allows you to flash firmware or PAC files to Spreadtrum (SPD) Android devices. PAC files are package files that contain all the necessary files for flashing a device, such as system, boot, recovery, userdata, etc. You can use Upgrade Download Tool to upgrade or downgrade your device's software, fix software issues, unbrick your device, or remove FRP lock.
Causes of the Error
There are several possible causes of the "Downloading failed: wait input time out" error. Some of them are:
The version of the tool you are using is outdated or incompatible with your device.
The Spreadtrum drivers are not installed properly on your PC.
The USB connection or port is faulty or loose.
The phone is not in download mode or not detected by the tool.
The PAC file is corrupted or not suitable for your device.
How to Solve the Error
To solve this error, you need to try some troubleshooting steps and see which one works for you. Here are some possible solutions:
Use the Latest Version of the Tool
One of the simplest ways to fix this error is to use the latest version of Research Download Tool or Upgrade Download Tool. The latest version as of writing this article is V r2.9.9008. You can download it from [1]( The latest version may have fixed some bugs and improved compatibility with newer devices.
Install Spreadtrum Drivers Properly
Another common reason for this error is that the Spreadtrum drivers are not installed properly on your PC. These drivers are essential for the tool to communicate with your device and flash it. To install them correctly, follow these steps:
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Launch Device Manager on your PC (Right-click My Computer > Select Manage).
Connect your phone to your PC via a USB cable. Device Manager should refresh and show your device under Other Devices or Unknown Devices.
Right-click on your device and select Update Driver Software.
Select Browse my computer for driver software.
Select Let me pick from a list of device drivers on my computer.
Click Next and then click Have Disk.
Browse to the folder where you extracted the Spreadtrum drivers and select SCIU2S.INF file.
Click OK and then click Next.
If you get a warning message, click Yes to continue.
Wait for the installation to complete and then disconnect and reconnect your phone.
</ol Check the USB Connection and Port
Sometimes, the error may be caused by a faulty or loose USB connection or port. To check this, you can try the following steps:
Use a different USB cable or port and see if the error persists.
Make sure the USB cable is firmly connected to both the phone and the PC.
Avoid using a USB hub or extension cable as they may interfere with the signal.
Clean the USB port of your phone and PC with a soft cloth or a cotton swab.
Hold the Volume Button While Connecting the Phone
Another possible solution is to hold the volume button while connecting the phone to the PC. This may help the phone enter download mode and be detected by the tool. To do this, follow these steps:
Power off your phone and remove the battery (if possible).
Press and hold the volume up or volume down button (depending on your device model).
Connect your phone to your PC via a USB cable while holding the volume button.
Release the volume button when you see a green progress bar on the tool.
Click on Start Downloading button on the tool and wait for the flashing process to complete.
Reflash the PAC File or Use a Different Tool
The last resort is to reflash the PAC file or use a different tool. Sometimes, the PAC file may be corrupted or not suitable for your device. To fix this, you can try the following steps:
Download a new PAC file from a reliable source that matches your device model and firmware version.
Extract the PAC file to a folder on your PC.
Launch Research Download Tool or Upgrade Download Tool and load the PAC file by clicking on Load Packet button.
Click on Settings button and make sure that all the options are checked except for EraseRuntimeNV, EraseCache, and EraseMisc.
Click on OK and then click on Start Downloading button.
If this still does not work, you can try using a different tool such as Factory Download Tool or Miracle Box Tool.
Conclusion
In this article, we have shown you how to fix Upgrade Download Failed Wait Input Time Out Error when flashing your Spreadtrum (SPD) Android device using Research Download Tool or Upgrade Download Tool. We hope that one of these solutions worked for you and you were able to flash your device successfully. If you have any questions or suggestions, feel free to leave them in the comments section below.
FAQs
What is a PAC file and how to get it?
A PAC file is a package file that contains all the necessary files for flashing a Spreadtrum (SPD) Android device, such as system, boot, recovery, userdata, etc. You can get a PAC file from various sources online, such as firmware websites, forums, blogs, etc. However, make sure that you download a PAC file that matches your device model and firmware version to avoid any compatibility issues.
What is the difference between Research Download Tool and Upgrade Download Tool?
Research Download Tool and Upgrade Download Tool are two similar tools that allow you to flash firmware or PAC files to Spreadtrum (SPD) Android devices. The main difference between them is that Research Download Tool supports more features and options than Upgrade Download Tool, such as backup and restore NV data, format flash, etc. However, both tools can be used interchangeably for most devices.
How to use Research Download Tool or Upgrade Download Tool?
To use Research Download Tool or Upgrade Download Tool, you need to follow these steps:
Download and install Spreadtrum drivers on your PC.
Download and extract Research Download Tool or Upgrade Download Tool on your PC.
Download and extract a PAC file for your device on your PC.
Launch Research Download Tool or Upgrade Download Tool and load the PAC file by clicking on Load Packet button.
Connect your phone to your PC in download mode (power off your phone and press volume up or down while connecting it).
Click on Start Downloading button on the tool and wait for the flashing process to complete.
How long does it take to flash a phone with these tools?
The flashing time may vary depending on your device model, firmware size, USB speed, etc. Generally, it takes about 5 to 15 minutes to flash a phone with these tools. However, if you encounter any errors or interruptions, the flashing time may be longer or unsuccessful.
What are some other common errors that these tools may encounter?
Some other common errors that these tools may encounter are:
Failed: NV data read in phone is crashed
Failed: Operation failed
Failed: User cancel
Failed: Packet size is bigger than buffer size
Failed: The third party DLL(s) not found
To fix these errors, you can try some of the following methods:
Use the latest version of the tool.
Reinstall the Spreadtrum drivers.
Change the USB port or cable.
Reboot your PC and phone.
Use a different PAC file or tool.
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