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Upgrading from .257 to current

OP jeremy.chan

18th May 2014, 11:20 AM   |  #1  
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I'm currently running .257 (4.2.2) on my ZU

- Rooted
- Dual recovery installed (CWM/TWRP)
- TA backed up
- Locked bootloader
- Stock rom
- I have Androxyde's Flash Tool

Question:

Can i just pop in any custom ROM (4.3 or 4.4.2) and just run with it through CWM?
Or do i need to have some other preps done before making these upgrades?

Would appreciate any answers to help with my questions, as there is so much information now that it can get confusing...thanks!
18th May 2014, 04:20 PM   |  #2  
Ben Ling's Avatar
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Quote:
Originally Posted by jeremy.chan

I'm currently running .257 (4.2.2) on my ZU

- Rooted
- Dual recovery installed (CWM/TWRP)
- TA backed up
- Locked bootloader
- Stock rom
- I have Androxyde's Flash Tool

Question:

Can i just pop in any custom ROM (4.3 or 4.4.2) and just run with it through CWM?
Or do i need to have some other preps done before making these upgrades?

Would appreciate any answers to help with my questions, as there is so much information now that it can get confusing...thanks!

You can only flash 4.3 ROM for locked bootloader.
If you are on 4.3 now,then just flash 4.4 ROM.

Sent from my Sony Xperia™ Z using XDA Premium
18th May 2014, 04:33 PM   |  #3  
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298 posts
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Quote:
Originally Posted by Ben Ling

You can only flash 4.3 ROM for locked bootloader.
If you are on 4.3 now,then just flash 4.4 ROM.

Sent from my Sony Xperia™ Z using XDA Premium

as per my post, i'm on 4.2.2 now, and am looking to flash to a minimum of 4.3, hence my questions (and new one below too)

- will the 4.3 rom for locked bootloader have proper root in it?
- is there a specific thread or (current) instruction that i can refer to?
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