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Flashing Rom Lumia 720

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MistyKuu
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Default Flashing Rom Lumia 720

Hello,
I am new to this forum. I am also new to flashing ROMs. I have recently installed Amber Update which made my Camera Quality terrible. I heard about flashing rom but never do that. One guy from another forum sent me link and tutorial how to downgrade my phone to GDR1. My questions are:
1. Do I lose warranty when I flash my phone?
2. Is it dangerous? Phone can stop working ?
3. Is it reversible? Can I hard reset to original ROM ?
4. Is it possible that ROM is virus and if yes, then how to check it?
5. This guy sent me a link to ROM with Variant Name : RM-885 VAR PL PTK CENTERTEL WHITE. How to know if its GDR1, is it working ? Is there any database with "checked and working" ROMs?

Sorry if some of the question are very simple but I am new and can't google it.

EDIT: please moderator move my topic here : http://forum.xda-developers.com/windows-phone-8/help, it is wrong place, sorry.
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ungazz
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can you send the link to me too?
 
anaheiim
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Hi, @MistyKuu


1. Do I lose warranty when I flash my phone?
Technically, yes, you will lose the warranty.

2. Is it dangerous? Phone can stop working ?
When driving a car, there is a risk that you have an accident. For flashing process, is the same.

3. Is it reversible? Can I hard reset to original ROM ?
You can quite flash the original ROM.

4. Is it possible that ROM is virus and if yes, then how to check it?
No, and in addition, the integrity of the Packages will be checked by Nokia Care Suite.

5. This guy sent me a link to ROM with Variant Name : RM-885 VAR PL PTK CENTERTEL WHITE. How to know if its GDR1, is it working ? Is there any database with "checked and working" ROMs?
You live in Poland?



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MistyKuu
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Thanks for answers. Yes I live in Poland.
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This is for concrete model with specified serial number.
 
anaheiim
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Quote:
Originally Posted by MistyKuu View Post
Thanks for answers. Yes I live in Poland.
@ungazz
This is for concrete model with specified serial number.
What is your operator? And what is the color of your 720?



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MistyKuu
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Originally Posted by anaheiim View Post
What is your operator? And what is the color of your 720?
I gave serial number which is under the sim tray and he gave me that ROM.
My Lumia 720 is white, phone is in site PLAY, but is branded by ORANGE.
 
anaheiim
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Quote:
Originally Posted by MistyKuu View Post
I gave serial number which is under the sim tray and he gave me that ROM.
My Lumia 720 is white, phone is in site PLAY, but is branded by ORANGE.
Ok, he proposed you a branded ROM.
I advise you, it is the opposite that is to say an unbranded ROM.

But the unbranded ROM for 720 specific for Poland, it lacks your color (White). However you can flash a ROM of another color as your 720, because it does not change (only the default color?).
So I suggest you to flash 059S593 RM-885 VAR PL CV BLACK.



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MistyKuu
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Quote:
Originally Posted by anaheiim View Post
Ok, he proposed you a branded ROM.
I advise you, it is the opposite that is to say an unbranded ROM.

But the unbranded ROM for 720 specific for Poland, it lacks your color (White). However you can flash a ROM of another color as your 720, because it does not change (only the default color?).
So I suggest you to flash 059S593 RM-885 VAR PL CV BLACK.
Ok thank you very much. What is the difference between branded and not branded ROM ? He suggested it, because he has "ROM search" by Serial ID, so is he wrong? Color will not have matter?
 
anaheiim
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Quote:
Originally Posted by MistyKuu View Post
Ok thank you very much. What is the difference between branded and not branded ROM ? He suggested it, because he has "ROM search" by Serial ID, so is he wrong? Color will not have matter?
Unbranded, allows removing operators settings by changing of ROM. This allow get the options/features not "flanged" and generally have updates more quickly than if you were branded.

The color does not matter.



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