Some users may meet download iOS firmwares error on 3uTools, even though the network connection is normal.

• 3utools Firmware Check Code Error List
• 3utools Firmware Check Code Error Codes
• 3utools Firmware Check Code Error Code
• 3utools Firmware Check Code Error 3utools

Error 1015 can occur when you attempt to restore using an older.ipsw file. Hello, if your iPhone 6 is stucked on 19% in 3u tools and getting error 4013 in itunes. Its hardware issue, i.e NAND CHIP (hard drive) Remove Logic Board, then Remove Hard Drive from the board and get it programmed. Replace Hard Drive back to logic Board and flash your iPhone 6. Recently some 3uTools users sent us feedbacks that they received Error code 4013/4014 when they use 3uTools or iTunes to restore and upgrade their iDevices. Error code is a problem prompt to let user know what's wrong in the whole process. So please read this tutuorial from 3uTool, which may can help you to solve some erorrs in 3uTools and iTunes.

Here’s the tips to solve this problem. Check your network connection before you download the firmwares.

Step 1 Right click 3uTools, then then click “Open File Location”.

3utools Firmware Check Code Error List

Step 2 Find out the file named “setting.cfg” and open it to edit.

Step 3 Add “xd=true” below “[Network]” as the following picture.

3utools Firmware Check Code Error Codes

Step 4 You can save this new “setting.cfg” at any folder. Nvidia geforce 7600 gt driver free download. Then replace this edited file to the folder of 3uTools.

Step 5 Re-launch 3uTools, and download iOS firmwares again.

3utools Firmware Check Code Error Code

If the download error still exists, please download the firmware from: http://www.3u.com/firmwares

3utools Firmware Check Code Error 3utools

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