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Samsung i5800 first instructions

Hallo everyone!
I am new to this board and i have a few questions.
I recently bought a Samsung i5800 with android 2.1. Unfortunately i have problems with the pin requesting (i read in forum, that this is a known issue, my provider seems to use a modified firmware, that causes the problems).
So i want to update my mobile because people in forums say, that this is fixed by updating to samsung original 2.1 or 2.2
However I read, that I should make a backup, before I do so.
So please can you give me instructions how I should start(with links)?
And do I need to root my phone? to do upgrading or to install an official firmware?
And how do I unlock my mobile for all sim cards?(In my Country Austria it's absolutely legal to unlock the sim card).
And shall i first root it and then upgrade or upgrade and root it?
And how do i do a backup without rooting?(I want to have this current system as backup, for warranty issues).
If possible, i want to do an upgrade without rooting.
Thanks for the answeres.

http://forum.xda-developers.com/showthread.php?t=778880

thanks slumpolo
I read this, but i dont know where to start ...
shall i root it first?(do I need to?) or shall i upgrade it first?
and there is no instruction for backups...

ok
I began with downloadin odin a.s.o
now i just noticed, that the download mode (vol- + home+ power when you turn the mobile off) is not working...
I bought my mobile 2 weeks ago from telering.
Is there a way to enable this download mode?(maybe as root?)

ok
now i rootet it, however i have the problem, that i cannot back it up
i tried clockwork recovery... with rom manager
I go to recover system, then it reboots and then i come to the recovery menu but there is no option for recovery...
is there any other way to recover a samsung galaxy 3 i5800?

Galaxy S2 rooted and now problems - help!

Hello all,
If any of you pros can help me out with this I'll be eternally grateful.
So, I rooted my galaxy S2 with the guide on here and after superoneclick it just switched off. I booted it up and it just loops forever, yellow triangle then my provider (LGU+ Korea).
I can reboot into download mode and re-flash with XWKDD_insecure.tar. This starts the phone and I can access main features but it says rooted and I can't make any calls or 3g access.
As soon as countdown is up and screen locks (or I press lock) then the phone is bricked again and I have to re-flash just to get to that screen. So, I re-flashed and then ran the superoneclick program. Clicking unroot this time. It seemed to work and now I can get WIFI but no calls.
However, as soon as the screen is locked it is due a flash. Also, it's impossible to charge.
I'm new to this as you can tell but the guide is simple and I followed it step-by-step. I've read elsewhere on here that I can unroot this with a custom ROM? Where can I find these on the site?
Also, will they be applicable for me in Korea?
Basically I need to undo what I've done and get the phone reactivated. Please can somebody give me some advice and the download location of these ROMS that so I can get the phone reactivated.
Thanks in advance. Really stressing out here. It's on a rather expensive 2-year contract!

[Q] s3 lte help\advice

hi basically i took my phone s3 gt-i9305 to a local shop to get it unlocked, after it was unlocked the system updates would fail and say modifiyed, i took phone back to shop today and he did some thing and it worked, only there was a prob it was branded to t mobile and some app where in swedish i think, i took it back and i told him i read a post on orignal pre-root roms on this forum, basically he flash the evr-bvbmf1 to my phone as that was what was orinally on phone, after he done it the device status said normal, i managed to delete the remaining t mobile apps but there is a supersu app on phone, i read i can use OTA with the rom that was used, i have never rooted or flashed anything my self, i just wanted phone unlocked and to be able to OTA, my questions are
1 if i OTA will it update and i will never see the tmobile apps again
2 if i OTA will the supersu be removed
3 if number 2 is a no how on earth can i get rid of the the supersu ?
i just want to be able to have my phone on offical OTA, its unlocked now and working but i havent tryed the OTA yet as i not sure if i will be able to get rid of supersu, desperate for help as it been doing my head in for 2 days and havent actually been able to sit and install apps or even play with my phone
thanks in advance for some advice, ps sorry for the long post

SOLVED now i think, but when i went to update it said i was on latest so i guess i have to wait till it needs update.

i removed supersu and my device now says modified, i have no rooting experience and just want my device to be on offical fimeware, can any one please help me, wish i never went to the shop i did to get it unlocked, could some one please help me when i purchased the phone i was on BVBMF1, i really dont want to mess it up up, it was EE/ORANGE UK orginally.
thanks inadvance

[Q] Brand new to everything root related, some simple questions i hope.

Ok here we go thank you to whoever takes the time to answer these sorry if I sound uneducated in this field but I have no idea what I am doing really.
1) I am running a Galaxy S4 through Koodo (Canadian) sgh-i337m baseband I337MVLUFNE1 the build number is the same but with KOT49H. added to the front of it, my question is is it possible to unlock my bootloader I've seen posts about AT&T locking theirs or something and I wasn't sure.
2) Secondly I've rooted my phone using Odin and how can I tell if my bootloader is unlocked? (keep in mind im not too tech savvy with the android OS yet)
3) What would happen if I flashed Cyanogenmod onto my device and it wasn't unlocked? I bought ROM Toolbox pro
4) How do I go about doing anything in recovery mode everytime I go through it shows a dead android guy and doesn't give me many options?
5) How do I change my boot screen, I tried a few methods but I don't think I am deodexed (which i don't know what it means really) and it tells me i cant change themes etc with ease, when i tried that x-(something) program to deodex my device it couldn't detect the device through the usb or it took ridiculously long and I quit out.
Thank you very much to whoever can help me out, I'm not sure where my Koodo GS4 falls in relation to canadian GS4's etc so I don't want to mess it up.

Samsung Galaxy S6 problem

Hello everyone, today i tried to root my galaxy s6 (920f), and i could not find the activate the oem unlock option, i own this phone from more than a month now, bought it from a friend, has never been modified or anything, its pure stock phone, the only thing i did is to factory reset it. I tried the calendar trick (yes i followed every step exactly how they are mentioned here) , waited 2 weeks without turning off or restarting the phone, still does not appear, the phone was originally bought from service provider before 3 years and it is locked to this provider only until your contract ends, and when u put another provider sim card the phone wont accept it, but after the 2 year contract has ended u can put any card and it will work, so this is the case here, contract ended like a year ago and im using the phone with another provider card and it works fine, i want to root it so i can install viper 4 android, so can anyone help me, i know this and that about rooting and flashing and etc but still can you explain to me the steps like i never did something like this because the install guide in the viper4android topic is hard to understand for me, i have rooted a lot of phones before so i wont need help about that but never installed custom things like viper4android and that is what i need help for the oem unlock and viper4android

Bump

You can delete this thread i found a solution