Many users were met various error codes when they flashing their iDevice in iTunes or 3uTools, here 3uTools summarizes some common error codes for you (some with solutions) so that users could know why the error arises and how to solve the error effectively.

• 3utools Checking File System
• 3utools Checking File System

3UTools Download Last Version Update 2019 Apple, Mac OS, Software, Windows February 22, 2019 14:15 3UTools – The Most Effective iOS Record & Information Monitoring Device 3uTools makes it so very easy to manage apps, pictures, songs, ringtones, video clips and various other multimedia files. Description: Clean Flash IPSW + DFU Mode Using 3utools English Version: Clean Flash IPSW + DFU Mode Using 3utools 1. Connect your iDevice using Original Ca. 3uTools is a free all-in-one data management and jailbreaking tool for Windows users with Apple devices. The program works as a data manager for backing up and managing documents, multimedia files, and contacts.

Warmly Remind: Click 'Ctrl' + 'F' simultaneously, which can help you find the error code faster.

Error-1

Baseband CPU/chip/baseband output of power supply is abnormal.

(With the latest 3uTools, here is the guide for you)

Error 1

Baseband CPU problem or baseband power is not working. Here is the guide for you.

Error 2

Baseband, does not exclude power supply problem.

Error -2

You are suggested to enter DFU mode manually and try to flash again. If fail, it could be a hardware problem on your device.

Error 3

a. Baseband error when your flashing process is over 60%,

b. Chip's problem when your flashing process at 99%.

Here is the guide for you.

Error 6

Hard disk/ Chip problem when flashing process is over 60%.

Error 9

Hard disk, check power supply for it, rebooting your Mac or PC may resolve this issue.

Here is the guide for you.

Error 10

Server certification issues. Here is the guide for you.

Error 11

Firmware package is not full. Here is the guide for you.

Error 12

Firmware was closed signing. Here is the guide for you.

Error 14

Hard disk, check the resistance between hard disk and CPU. Here is the guide for you.

Error 15

Baseband, not excludes power supply problem.

Error 16

Baseband/CPU/Chip, mostly is chip problem. Here is the guide for you.

Error 17

Here is the guide for you.

Error 20

Enter DFU mode and flash again. Here is the guide for you.

Error 21 CPU/ Battery problem. Here is the guide for you.

Error 23

In software you have to set a default web browser;

In hardware, it's a communication problem. Check all connections, also try to change the battery;

Faulty baseband flash or processor;

Happens frequently after water damage. Remove and clean motherboard;

Here is the guide for you.

Error 26

Baseband/CPU/Chip. Here is the guide for you.

Error 27

Chip data does not match, please use the chip instrument to fix the chip.

3utools Checking File System

Error 28

CPU or hard disk. Here is the guide for you.

Error 29

Battery problem or network problem. Here is the guide for you.

Error 31

Baseband problem.

Error 34/35/36/37

Here is the guide for you.

Error 39

Here is the guide for you.

Error -39

Error 40

Baseband, not excludes power supply problem.

Error 47

Chip problem or communicate CPU

Error 48

Baseband /Chip problem, the chip could be fixed sometimes.

Error 50

Baseband CPU breakdown.Here is the guide for you.

Error -54

Here is the guide for you.

Error 53

Touch ID fingerprint or server certification issues. Here is the guide for you.

Error 56

Baseband/CPU/Chip, mostly is NFC problem. Here is the guide for you.

Error 91

Hard disk problem.

Error 1002

Here is the guide for you.

Error 1003

Baseband or hard disk.

Error 1004

Here is the guide for you.

Error 1005

Hard disk problem, here is the guide for you.

Error 1013

Download rumble racing for ppsspp. Server certification issues.

Error 1015

Downgrade firmware problem, fix your PC system and flash again

Error 1600

CPU problem.

Error 1601

CPU problem.

Error 1602

USB power supply or system problem.

3utools Checking File System

Error 1611

Hard disk problem.

Error 1639

Error 1669

Chip file is incorrect or losing.

Error 2002

Check the connection with Apple server.

Error 2003

Change USB or PC.

Error 2009

Change PC, try to flash multiple times.

Error 3004

Battery, cables, USB ports not stable.

Error 3014

Error 3049

CPU problem

Error 3194

Error 4005

Hard disk, hard disk power supply, or change another PC try again. Here is the guide for you.

Error 4013

Here is the guide for you.

Error 4014

Here is the guide for you.

Error 4015

CPU problem.

Error 0xe800006B

Check USB cable, and iDevice's connection.

Error DXEXXXX

Install iTunes to your Hard disk 'C 'on your computer.

3uTools will make another tutorial if you have met other Error codes, please send us feedback kindly.

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As mentioned in the title, im having an issue where things seem to be stuck while flashing. Things were fine starting out, it cycled through its paces and suddenly im left with being stuck a 37% on my 3utools program and with a less then half progress bar on my device (Iphone6s). Oh, and im flashing 10.3.1 so i should be more than in the clear correct? I'm coming from 9.3.3. Also wanted to point out, phone would connect and reconnect while it was running through it paces so i don't know if that is part of the process or not. Any feedback would be appreciated! Thanks!