since we are malaysian , the phone itself work with MY firmware

This post has been edited by GamersFamilia: Sep 20 2015, 08:25 PM

Remember, flashtool is your handyman.

Just wondering... How's the camera image quality after the updating? I heard the quality improved after 5.0.

How about the battery life?

After few hours of using 5.1.1 is vr abvious tat the batt can last longer..sound a bit louder..camera..err...haven rely test it yet..so far vr smooth and I like it

Good news. Mind sharing the steps you did exactly to solve the problem? As a guide to others who might be facing the same issue in future.


After the 5.1.1 OTA update on my ZU, I noticed the battery drains slightly faster now. It could just be me, I'm not sure. Maybe have to recalibrate the battery over a few more charge & usage cycles to be sure.

As for camera quality, from what I can see it has deteriorated. Most of the pics I take now aren't sharp & kinda foggy & blurry..lacking contrast. Again, I am not 100% sure. It could just be my unit or scratches/scuffs on my lens. YMMV.

This post has been edited by dani_irwan: Sep 21 2015, 12:44 AM

I don't feel any camera improvements for 5.1.1 but the differences compared to 5.0.2 :

- better volume controls
- smoother and snappier
- better battery life, without Stamina mode on
- no more memory leak bug, apps closed without user's conscious upon multitasking.

This post has been edited by raymondtong94: Sep 21 2015, 11:33 AM

Nice conclusion. really feel smooth and snappier, ZU came alive again after so many years

It's very nice, for an 18 months old device.
Can't jump to Z5 Ultra because this update made me loved it freaking much.

Hahaha....i also feel in love with my ZU again, now type whatapps also faster now. previously on 5.0, whatapps keep freezing and unresponsive at some time. After 5.1.1, this problem gone, is this cause by memory leak?

One of the reasons. Sometimes while I'm listening to music with Spotify and Music, the app will close on it's own while browsing Facebook or Web.
Now the problem is gone.

RIP, battery life, for an 18 months old phone.


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No good? What's the best SOT you got for 4.4 and 5.0? Lol

can't blame it, as it's 18 months old. the longest i get is 5h 30m on 4.4.4, and that was 8 months old.

I see. I'm itchy to get a used ZU to test. Haha...the big screen looks nice.

Great to see 5.1.1 update has been excellent for you guys. Mine...so so only, as mentioned before. Oh, and I'm still having that screen suddenly go blank but notification shade is fine problem that I reported a few pages back. Thought it would go away with 5.1.1 update. Well, could be because it's a dirty flash.

Oh, and I'm also getting more Edge connections now, instead of the near constant H+/3G with Celcom in my area before the update. Not sure why.

Love the louder speaker output though...


My best SOT with 30% 3G & 70% wifi is around 4.5 hours max on 5.0.1.

Have yet to see noticeable improvement with the latest update.

try to use flashtool to reset and wipe your phone.
for most of the times, a stable phone comes from a clean OS.

The last time I used flashtool, I ended up soft bricking my ZU. Tried almost everything I could on my own before sending to my usual shop, luckily they managed to unbrick it. I just don't have the knack for it, and no sifu to guide me also. Plus this ZU is my ONLY phone & thus my daily driver as well...

So yeah, tempting but I don't dare do it on my own anymore.

This post has been edited by dani_irwan: Sep 22 2015, 09:31 PM

there are 2 flashtools, one by Sony Developer World and one by Androxyde.
i always use Androxyde's and flawless.

The one I used was Androxyde's.

I nvr bother the SOT on my ZU but I really wanted to replace the battery n all flap...
Raymond,how much for those??
N they can test water resistance after replace right??