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[Q] about flashing roms

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wilbur753
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Default [Q] about flashing roms

I'm now using Samsung Galaxy S3 I9300 with android 4.1.2. Recnetly, I want to flash the S5 roms posted by other developers. However, those roms are in android 4.3 or 4.4.2. Can I directly flash it or do I need to upgrade my device to android 4.3 first?
thanks so much!
 
bweN diorD
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You can't flash a s5 ROM onto your s3, it will brick.

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wilbur753
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Originally Posted by bweN diorD View Post
You can't flash a s5 ROM onto your s3, it will brick.

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But the S5 rom is for S3. I found that in the S3 forum. Can you briefly explain why it will brick?Thank you
 
bweN diorD
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Originally Posted by wilbur753 View Post
But the S5 rom is for S3. I found that in the S3 forum. Can you briefly explain why it will brick?Thank you
ok, i looked into the s3 forum and i see the s5 rom there.
this is either a rare instance where another phones rom is compatible or more likely what is known as a "port". it wasnt obvious right off what was the case.
either way, sorry for the confusion, it would be ok to flash that as long as its says its compatible with your phone.
generally speaking, you cant just grab a rom for any phone and flash it to another. that would result in a brick, and i jumped to conclusions and thought that was what you were trying to do.
as far as, if you need to upgrade first, im not sure about that.
some roms require you to be on a specific version first, otherwise it will bootloop after you flash the rom.
reason being, roms dont usually replace all parts of the software, but are built off or made to work with certain versions specifically because the use some of those non replaced parts to work correctly.
i would read through a few pages of the rom post. most likely someone has asked if it will work on whatever version or stated what version you need to be on for it to work.
if you cant find any answer, then i would ask the question there.

sorry i cant be of more help.
one bit of advice that i always follow myself, read into flashing back to stock and download all needed files and tools first. this way, if you have any issues, or just dont like the rom, you already have a backup plan in place to get your phone working again like you want it.
just my 2c hope that helps.
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