Resolved iPhone 4 Restore iOS5.0.1 Error 21 & 1601

[sunraizes]

Hi!

My iPhone 4 is on 4.3.3 Jailbroken.
(Windows Vista 32-bit, latest iTunes)

I tried to restore to latest ios 5.0.1. Then I got the following error:

1) When restore normally, got error 21.
2) When restore in DFU mode, got error 1601, 1602.

I tried to reinstall iTunes, changing usb port, and used iREB r5 to no avail.

What else should I try?

Anybody can help me out, will really appreciate it!

Updates:

I solved it using latest redsn0w, go to extras > fix recovery.
From there it will load some commands in iPhone, and voila welcome activation screen, with ios 5.0.1.

 

[pizzutelli]

thanks a lot

I was really concerned, I tried update to 5.0.1 and it crashed leaving my iphone dead. Really a bad night.
Thank your advice I got back to a working 4.3.3 then updated to 5.0.1 through a pc instead of a macbook (!!!) and it worked good.
A kiss on the top of your smart head.