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Update to Official KitKat 20y, no AT&T OTA Push needed, Root required

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By xaueious, Senior Member on 26th July 2014, 04:37 PM
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Since only the 20c tot is available, you need to follow special steps to get it all the way up to 20y.

You need to be rooted with no system mods or custom recovery images

Be careful to download from the ACTUAL web host, not the phishing site! You are supposed to end up with zip files. Malware is also being hosted on devhost, as people have been reporting


Sorry, not really in the mood to write down newbie friendly steps, maybe someone can consolidate them. I don't check my PMs...

From now it would be great if someone generously backs up their fota folder every time until we get a new tot leak.

How to Force OTA dlpkgfile install
http://forum.xda-developers.com/show....php?t=2699123

Some details of how to follow the force OTA procedure for D800. You MUST be on a stock LG G2 D800 firmware:
Copy dlpkgfile into /cache/fota/, chmod dlpkgfile to 666. Again this file gets deleted after the update.
If /cache/recovery folder does not exist, create it. This folder is automatically removed after the update. chmod it to 777 because it doesn't matter.
Write the cache command to recovery. With adb under root user, run:
Code:
echo "--update_package=/cache/fota/dlpkgfile" > /cache/recovery/command
Running the am start command. With adb under root user, run:
Code:
am start -n com.lge.lgfota.permission/com.lge.lgfota.permission.DmcEzUpdateStart
All the steps starting from 20c fresh install:
1) 20c fresh
Guide to go to 20c (D80020c): http://forum.xda-developers.com/show....php?t=2663369. If you are coming from a custom ROM, chance are that you need the special DLL to force the flash.
2) root 20c
Towelroot get root on 20c: https://towelroot.com/
You could set SuperSU to OTA survival mode, not sure if this is actually needed
Choose one of the two from below:
3a) 20c -> 20y (force OTA, see above)
https://mega.co.nz/#!5h9nTRzL!444IEU..._WoERFxUUe0r8o
(Mirror) http://devhost.xda-developers.com/VJzP
AD0CFBA03A8E82240D6EB48BB285ED78

3b) 20c -> 20k (force OTA, see above)
http://devhost.xda-developers.com/dBhB
20k -> 20u (force OTA, see above)
http://devhost.xda-developers.com/BT3
20u -> 20y (force OTA, see above)
http://devhost.xda-developers.com/auPE

Result = 100% stock rooted 20y without waiting for AT&T. Process to do each incremental update shouldn't take more than 20 minutes total.

* * *

Other fixes if you don't have the AT&T SIM available

AT&T address book contacts hijacking:
*#*#2666#*#* and setting "registration" to "completed"

Enable wifi tether:
http://forum.xda-developers.com/show....php?t=2668453

Acknowledgements

20k from 20c
http://forum.xda-developers.com/show....php?t=2711503

20u from 20k
http://forum.xda-developers.com/show...php?p=53335676

20y from 20u or 20c
Thanks to oddhours (http://forum.xda-developers.com/member.php?u=815149) for sharing the 20u to 20y update

30f from 20y
http://forum.xda-developers.com/lg-g...-file-t3082867
The Following 27 Users Say Thank You to xaueious For This Useful Post: [ View ] Gift xaueious Ad-Free
27th July 2014, 05:43 PM |#2  
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It works like a charm. Thank you so much. I waited for a long time.
28th July 2014, 01:09 PM |#3  
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every body give me images how to update 20k to 20u? I don't live in US. thanks!
29th July 2014, 01:04 AM |#4  
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what if I only have the camera mod. would that affect anything? and how do you do the command push really not trying to mess anything up.
10th August 2014, 09:34 PM |#5  
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Works fine for me... thanks
13th August 2014, 05:43 AM |#6  
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Quote:
Originally Posted by real2015

what if I only have the camera mod. would that affect anything? and how do you do the command push really not trying to mess anything up.

When it comes to OTAs, you are usually okay with additions to the firmware, but not modifications.
16th August 2014, 06:53 PM |#7  
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Does a custom recovery qualify as a system mod?
16th August 2014, 09:56 PM |#8  
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Quote:
Originally Posted by lesterp

Does a custom recovery qualify as a system mod?

This will not work with a custom recovery.

Sent from my LG-D800
23rd August 2014, 12:06 PM |#9  
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Quote:
Originally Posted by xaueious

When it comes to OTAs, you are usually okay with additions to the firmware, but not modifications.

could anyone share the ota dump of 20k from 20c, the link above is not working... I am not living in US... Many Thanks!
27th August 2014, 03:42 AM |#10  
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Quote:
Originally Posted by bigheadlyf

could anyone share the ota dump of 20k from 20c, the link above is not working... I am not living in US... Many Thanks!

https://www.dropbox.com/s/gqjc9utwc2...2020k.zip?dl=0
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5th September 2014, 04:50 AM |#11  
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works fine, great job.
Mirror for both ota
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