Update error occured while updating
At times, you may run into i Tunes error 9006 when updating or restoring your i Phone and i Pad. On your Windows: you need to SHIFT and then click the “Restore” button. You may also want to check out the solutions to fix several i Tunes error like 4014/4013, 14, 1671, 9, 17 which also crop up when updating or restoring i OS device.
The error message would read like There was a problem downloading software for the i Phone. Jignesh Padhiyar is the co-founder of i Geeks who has a keen eye for news, rumors and all the unusual stuff that happens around Apple products.
I tried restarting, uninstalling completely then reinstalling, but no fix.
Here is all of the code : It's difficult to tell what is being asked here.
If the first trick hasn’t worked in letting your update your i Phone, try using IPSW file, which allows you to switch between i OS versions effortlessly.(If you have used IPSW file before, make sure to remove it from your computer before going ahead with the process.)Step #1.
If you don’t have the latest update on i OS running on the device then you have to update it with, it’s hence that many new big updates are released with a new i OS version of you know, Many times you had face problem with the message.
An error occurred while downloading new i OS 11/ i OS 11.0.1/ i OS 11.0.2/ i OS 11.0.3/ i OS 11.1.1/i OS 11.1.2/ i OS 11.2.1/ i OS 11.2.2/ i OS 11.2.6/ i OS 11.4 or i OS 11.1 Publick Beta update on i Phone via Wi-Fi.
So don’t be hesitate here is the best solution for this error facing thousands of folks from millions, Due to on Security or Port block issue, when you are connected with OTA(Over the Air) or through i Tunes via USB lighting cable.
Search for update error occured while updating:
 [9est:0] [HTTPProgrammer] [0x000020ac] [HTTPProgrammer.cpp:729] Error updating device software. Unable to connect to device, requesting user guidance.