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Hi there!

I recently bought an Xperia SP and had it unlocked fully so now i can use any SIM.

But it seems that there is a problem: my phone is slow. I only have a handful of apps installed, nothing is programmed or working in the background or Sync is turned off.

I checked the OS and it is still stuck to Android 4.1.2 but the official Sony Mobile website says the latest is 4.3.

Is there an app to help speed up my phone?

Why is my phone not detecting the 4.3 update?

Please advice. Thanks.
15th March 2014, 07:24 PM |#2  
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Quote:
Originally Posted by gino_76ph

Hi there!

I recently bought an Xperia SP and had it unlocked fully so now i can use any SIM.

But it seems that there is a problem: my phone is slow. I only have a handful of apps installed, nothing is programmed or working in the background or Sync is turned off.

I checked the OS and it is still stuck to Android 4.1.2 but the official Sony Mobile website says the latest is 4.3.

Is there an app to help speed up my phone?

Why is my phone not detecting the 4.3 update?

Please advice. Thanks.

Search google for Sony XPERIA SP C5303 - Android 4.3 - firmware 12.1.A.0.266. The site is called xperia firmware (i would post the link but im not allowed. Once the phone is updated you may need to restart the phone like i did to get up to speed (mine was incredibly slow after first boot)
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15th March 2014, 07:49 PM |#3  
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Quote:
Originally Posted by miller1323

Search google for Sony XPERIA SP C5303 - Android 4.3 - firmware 12.1.A.0.266. The site is called xperia firmware (i would post the link but im not allowed. Once the phone is updated you may need to restart the phone like i did to get up to speed (mine was incredibly slow after first boot)

This phone is very fast with ICS, with JB is very slow!
15th March 2014, 08:04 PM |#4  
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Quote:
Originally Posted by Rmin89

This phone is very fast with ICS, with JB is very slow!

The Xperia SP originally came with android 4.1.2, not Android 4.0.x
15th March 2014, 08:26 PM |#5  
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Quote:
Originally Posted by miller1323

The Xperia SP originally came with android 4.1.2, not Android 4.0.x

Oh yess i'm confused however before the upgrade it is another thing
Last edited by Rmin89; 15th March 2014 at 08:31 PM.
16th March 2014, 12:50 AM |#6  
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Maybe just reflash the firmware and see if it gets better (4.1.2, as 4.3 has a big chance of bad RAM management)
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10th May 2016, 04:27 PM |#7  
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Quote:
Originally Posted by Rmin89

This phone is very fast with ICS, with JB is very slow!

Xperia SP was released with Android OS Version 4.1.2 i.e Jellybean. It never had ICS
16th March 2014, 12:02 PM |#8  
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Use ICS

Sent from my N986 using xda premium
16th March 2014, 12:50 PM |#9  
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We have no ics firmware. Xperia SP roll out with jb 4.1.

Gesendet von meinem Xperia SP
16th March 2014, 03:17 PM |#10  
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This update make time to arrive !
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