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[Q] Before flashing a new BTU firmware..

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nogears
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Default [Q] Before flashing a new BTU firmware..

hello Guys,

I would like to know what steps should we take to ensure maximum performance before installing a new official firmware.

I'm about to manually upgrade my galaxy s4 I9505 from jelly bean 4.3 to Kitkat 4.4.2 through Odin and i was just wondering whether or not i should format/erase/factory reset all the data currently the phone before stepping in into the new firmware? Will the new firmware erase the existent one? without the need of format?

I would like to know your expert view on this subject,

many thanks in advance.
 
LS.xD
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(Last edited by LS.xD; 25th March 2014 at 01:59 PM.)
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Originally Posted by nogears View Post
hello Guys,

I would like to know what steps should we take to ensure maximum performance before installing a new official firmware.

I'm about to manually upgrade my galaxy s4 I9505 from jelly bean 4.3 to Kitkat 4.4.2 through Odin and i was just wondering whether or not i should format/erase/factory reset all the data currently the phone before stepping in into the new firmware? Will the new firmware erase the existent one? without the need of format?

I would like to know your expert view on this subject,

many thanks in advance.
flashing a Rom via Odin will set all back to stock.

Performing a OTA will keep your data. BUT 4.3 --> 4.4.2 you need a full wipe. As you can read in forum many many times
Samsung's OTAs really su.... a bad word an so on. and there is a good chance to get softbrick or other issues when performing a "dirty" update,

So plase safe all your personal data before.
HTC One S @ PAC-man 4.4.2 [ALPHA1] [12/5/2014] + IceCode Kernel v4.0 // HBoot 2.15 - unlocked BL - S-OFF - NO "tampered & warning text" // TWRP mod 2.7.0.8

Samsung Galaxy W @ ParanoidAndroid 4.3 [BETA3] [6/5/2014] + KhaN Kernel v2.0 // Base: I8150XXLMI // PhilZ CWM 6.01.4

"REVIVED" HTC Wildfire S @ CyanogenMod 11(AWESOME!!!) [6/5/2014] //HBoot 1.09 - unlocked BL // TWRP 2.7.0.0


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