Iphone4 4.1

[grubby30]

Hi, I've been trying to do a restore with my shsh files I saved with tinyumbrella,I've down loaded custom 4.1.. I start umbrella(server) then head into iTunes,press shift then restore,then when I show iTunes where the custom 4.1 is,it comes up with a error wrong firm ware or some thing... What am
I doing wrong?,I've followed a few instructions from the net... Please help...

[iYeow]

Start Tss Server, keep it running.
If you are using windows, run redsn0w 0.9.6RC8 , browse to stock 4.1 firmware, check only the box DFU mode, perform this action until dfu is done.
Now run itunes : shift + restore to custom fimware of 4.1

[Goof]

1) Make sure you have the proper SHSH blobs saved for 4.1.

2) Make sure you have the right firmware.

[grubby30]

Awesome,Thankyou I'll give that a try..I wanted to restore to try greenpoison instead of limerain,having battery discharge problems..thanx again

[iYeow]

Restoring to custom firmware preserve your current baseband.
But if you want to use GP, then you have to restore to stock 4.1 whose baseband cannot be unmlocked. So becareful of what you want to do.

If you are restoring to stock 4.1 , you will get error 1004, use exit recovery again to kick it out.

[grubby30]

I have my saved shsh files,is that my base band?sorry I have read a bit but some things I just don't understand yet. Thankyou

[iYeow]

Shsh blobs are needed for verification by Apple's Server when restoring firmware. So every iphone has its own firmware shsh blob.
For instance your iphone 4 and firmware 4.1 has a unique shsh blob which is different from 4.2.1 shsh blob on the same iphone.
Baseband is different, the version will determine whether this baseband can currently be unlocked by Ultrasn0w.
Every stock firmware carries a certain baseband. As the IOS firmware version goes higher, the baseband is also updated ( it increases and cannot be reversed by any tool at the moment )
Hope this will help you to understand better.

[grubby30]

Hehehe,clear as mud,I'll download the stock firmware and give your directions a go,thanx again..

Im ready to do this restore,This maybe a dumb question but i need to ask before i start,Im tethering with my iphone through laptop,problem is do i need the net to do this restore?i have my firmware and blobs and the programs but not sure if the net is needed.. Thankyou

[iYeow]

if you are tethering thru iPhone, then you can't restore. You need wifi from other source for verification.

If you are restoring an iPhone which is not on tether, then you can use laptop being tethered by an iPhone other than the one you are restoring.

[grubby30]

Yep ok got it,thankyou... plan B

[iYeow]

Haha, you sounded like you are on a mission

[grubby30]

all done,apart from a light app that didnt want to come back for some reason.Wrong firmware it sayed.all is good thank you for your help.The people that make all this stuff happen are very clever.thanx again

i tryed installing Greenpoison a few times but it not work,shld GP work with iphone4 on 4.1?I tryed puting stock 4.2.1 doing restore but the phone stalled and come up with an error 1015 i think it was,Then when i put 4.1 back in,Itunes didnt reconize the phone,Major error,way different then error 1004,shldnt 4.2.1 go into my phone if i have blobs backed up with Cydia?and on my computer..Ive have the phone working again on 4.1 and used limerain again,but i still cld have problems with the battery drain,not sure yet..what is the best way to try out Gp?or is it to late for my phone for some reason?.thankyou regards Mark