Wanna check before rooting - Xperia Z2 Q&A, Help & Troubleshooting

HI there. Im new to experia device. just got some things to ask before I proceed on rooting my device.
My device info:
Device: d6503
Firmware: 4.4.4 (23.0.1.A.0.167)
Customization number: 1281-4652 (Germany)
BTW, im using the device here at Philippines, and its working fine
My questions are:
1. Im gonna downgrade to 4.4.2, which firmware should I flash? uhm the one easier to root
2. Is it safe to flash firmwares meant for other countries?will it still work here on our country?i
3.1 more thing, if I flash a branded firmware will I get simlock?
Thanks in advance..
Sent from my D6503 using XDA Free mobile app

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1. 314 because this is rootable
2. yes/no, D6503 on D6502 means wifi and mobile data wont work
3. doesnt matter what country, can be flashed across any Z2
3.1 - im not sure but id exclude the simlock file in flashtool before flashing a FTF

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Envious_Data said:
1. 314 because this is rootable
2. yes/no, D6503 on D6502 means wifi and mobile data wont work
3. doesnt matter what country, can be flashed across any Z2
3.1 - im not sure but id exclude the simlock file in flashtool before flashing a FTF
Click to expand...
Click to collapse
thank you..
gonna downgrade,root,and flash exiztienz rom..
Sent from my D6503 using XDA Free mobile app

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das.dian24 said:
thank you..
gonna downgrade,root,and flash exiztienz rom..
Sent from my D6503 using XDA Free mobile app
Click to expand...
Click to collapse
Dont forget to flash a FTF excluding everything but kernel, that matches the base versoon of Existenz.

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]
Envious_Data said:
Dont forget to flash a FTF excluding everything but kernel, that matches the base versoon of Existenz.
Click to expand...
Click to collapse
Is this right? and oh, do i have to flash the dual recovery flashable zip after flashing a custom rom?
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das.dian24 said:
Is this right? and oh, do i have to flash the dual recovery flashable zip after flashing a custom rom?
[/IMG]
Click to expand...
Click to collapse
To keep recovery, yes

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Envious_Data said:
To keep recovery, yes
Click to expand...
Click to collapse
I exlcuded:
bootbundle
partition
TA
FOTA
baseband
system
elabel
I unticked kernel.
am i in the right path?

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das.dian24 said:
I exlcuded:
bootbundle
partition
TA
FOTA
baseband
system
elabel
I unticked kernel.
am i in the right path?
Click to expand...
Click to collapse
Yup, kernel needs to match the rom

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Envious_Data said:
Yup, kernel needs to match the rom
Click to expand...
Click to collapse
hoo atlast the image on my older post appeared haha..thank you so much..After I finished downloading the rom, will be flashing..
Edit: oh i ticked no final verification & reset customizations. Is that alright?