[QUESTION] Updating firmware - ZenFone 2 Q&A, Help & Troubleshooting

Hello everyone,
So I have few questions when it comes to updating my ASUS Zenfone 2 firmware.
- How to update my Zenfone 2 ?
- Do I need to update from version to another without skipping any? Or I could directly update to the latest one?
- Would the update improve my battery life? Because it drains really fast.
- How to fix the problem in ADB "Cannot read file.zip" ?

I updated using the latest firmware from 2.19.20 -> 2.20.59 using the firmware from Asus's website using adb sideload.

Related

[Q] Lollipop update for F400?

Anyone F400 user received lollipop update yet? I am still on F400S10t and update centre tells me that I am using the latest software version for the current OS.
probey13 said:
Anyone F400 user received lollipop update yet? I am still on F400S10t and update centre tells me that I am using the latest software version for the current OS.
Click to expand...
Click to collapse
the f400s recieved lollipop try searching for an kdz of it and flashing it(use google to find out how)
Yes BUT NOT ROOT
There are several V20C and V20F kdz files floating however don't hope to root the phone after. Seems that no ones gives a hoot about this model and once you load the V5.0 you won't be rooting this phone anytime soon.
if you're not looking to root then do a search for f400s/l/k V20c (or f) kdz file and use flashtool in download mode = they are available in vietnamese sites -
good luck
probey13 said:
Anyone F400 user received lollipop update yet? I am still on F400S10t and update centre tells me that I am using the latest software version for the current OS.
Click to expand...
Click to collapse

Updating firmware

I just recently bought my zenfone 2 from amazon. Ze551ml 2GB/16GB version. I was updating it using the phone's check update but I got lazy because it updates it version by version and not to the latest one. So I downloaded the latest firmware on the support site of asus with the latest one at the size of 1GB. What I'm asking is if I updatesd correctly by updating it to the latest firmware straight away?
PS My phone seems to work fine but does the ZF2 really consume more then 1gb of ram with no apps open? Oh, and I haven't rooted it yet.
Yes

Can i update my asus if i fot root? (Asus Z00A)

hello guys
i have asus zenfone 2 with mm update (4.21.40.134) and i got nofitication that i have a update.
can i install update with root? or what need i do to update ?
???
Hello,
Use full firmware if you want to update.
Or, simply ignore that update and flash a custom ROM based on stock MM.
Regards.
Sent from my Redmi 3 using XDA Labs

N910FXXS1DQC3 Firmware

So i saw that samsung is releasing a firmware update for the Note 4 to N910FXXS1DQC3 which is 6.0.1 European firmware, more info here https://www.sammobile.com/firmwares/database/SM-N910F/ , my wonder was with the 150 or so security patches in this update. Im running EmotionOS which has its own firmware requirements so i cant just change firmwares but some of the files should be useful somehow right?
If you're on an old firmware -it is probably worth updating - It is quite good for a stock rom. I'm using it myself.

Roll back from Custom ROM

Hello
I have a M2 801L - I recently upgraded the Firmware to Marshmallow on EMUI 4.0 using a guide (I would have posted a link but not sure if allowed on this forum)
I used the Mediapad M2 [M2-801L] B205 file.
My M2 8.0 is now running Marshmallow 6.0 on EMUI 4.0
Questions:
1. Can anyone suggest a suitable or best Rooting method with a Nougat custom rom update?
2. If I Root and Update my M2 what is the possibility of rolling back to either the original Lollipop version or Official Marshmallow OS?
3. How easy is it to Root and Update it to Nougat?
4. How easy is it to rollback from a rooted Nougat F/W to original official stock lollipop or marshmallow?
Also, now when I go to Settings > Update > Menu >
I seem to be missing the option for Local Update.
Having said that, what are my options in rolling back now that I am missing the Local Update option?

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