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My i9300 is slow and laggy

OP krneki10

8th June 2014, 01:00 PM   |  #1  
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I've been on latest stock for a while, but it became slower and slower during time, so I've decided to root and in give few ROMs a try. I've flashed OmniROM and Android Revolution, but my phone is still much slower and laggier in comparison to Galaxy SII (on neatrom) or Galaxy Nexus (on omnimetal). Even Galaxy S1 with latest CM works better.
I've also noticed that it takes very long for MMS to be send, perhaps it's somehow related?

Any ideas what else could I try? OmniROM and Android Revolution should be fast and snappy, right? What could be the problem then?

I've heard that some i9300 phones might have hardware defect that causes similar problems. Is that true?
8th June 2014, 01:10 PM   |  #2  
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Quote:
Originally Posted by krneki10

I've been on latest stock for a while, but it became slower and slower during time, so I've decided to root and in give few ROMs a try. I've flashed OmniROM and Android Revolution, but my phone is still much slower and laggier in comparison to Galaxy SII (on neatrom) or Galaxy Nexus (on omnimetal). Even Galaxy S1 with latest CM works better.
I've also noticed that it takes very long for MMS to be send, perhaps it's somehow related?

Any ideas what else could I try? OmniROM and Android Revolution should be fast and snappy, right? What could be the problem then?

I've heard that some i9300 phones might have hardware defect that causes similar problems. Is that true?

Backup any data you need from internal sd card then format internal card this solves many issues with lag especially when you switch between alot of roms like I do.
10th June 2014, 10:32 AM   |  #3  
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Quote:
Originally Posted by krneki10

I've been on latest stock for a while, but it became slower and slower during time, so I've decided to root and in give few ROMs a try. I've flashed OmniROM and Android Revolution, but my phone is still much slower and laggier in comparison to Galaxy SII (on neatrom) or Galaxy Nexus (on omnimetal). Even Galaxy S1 with latest CM works better.
I've also noticed that it takes very long for MMS to be send, perhaps it's somehow related?

Any ideas what else could I try? OmniROM and Android Revolution should be fast and snappy, right? What could be the problem then?

I've heard that some i9300 phones might have hardware defect that causes similar problems. Is that true?

try blekota s5 rom it's very fast and smooth it's based on archiport
10th June 2014, 02:08 PM   |  #4  
P.T.J0hnnie's Avatar
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GTI9300 will be faster if you flash aosp roms like cyanogen mod or paranoid android. Prepare to lose some samsung features tho and have some extra bugs.. the trade is worth it imho.

EDIT:typos

Sent from my GT-I9300 using XDA Premium 4 mobile app
10th June 2014, 04:54 PM   |  #5  
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Quote:
Originally Posted by krneki10

I've been on latest stock for a while, but it became slower and slower during time, so I've decided to root and in give few ROMs a try. I've flashed OmniROM and Android Revolution, but my phone is still much slower and laggier in comparison to Galaxy SII (on neatrom) or Galaxy Nexus (on omnimetal). Even Galaxy S1 with latest CM works better.
I've also noticed that it takes very long for MMS to be send, perhaps it's somehow related?

Any ideas what else could I try? OmniROM and Android Revolution should be fast and snappy, right? What could be the problem then?

I've heard that some i9300 phones might have hardware defect that causes similar problems. Is that true?

Or do a mega wipe. Its mean full wipe + wipe system and internal SD And flash a new ROM
10th June 2014, 05:32 PM   |  #6  
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I can vouch for the Revolution HD ROM
About a month ago I switched from the pre-installed T-Mobile ROM to Revolution HD 51.0 on my Samsung Galaxy S3 (GT-I9300) and I have no regrets. Compared to the T-Mobile Rom, it is extremely fast and with very light battery consumption. In addition, I have not yet encountered any bugs.

The Revolution HD ROM is so fast that I have now begun using the search feature in the dialer - before, it was just as slow to scroll with the alphabet and finding the contact as it was using the search function.

The battery consumption is incredible! With light usage, my battery goes down less than 0.8%/hour. Even with high usage (>1.5 hour talk, ~1 hour WiFi/mobile data internet, >3 hour Bluetooth hook-up to my car, a handful of written emails and >30m sudoku per 24 hours) I have not been using over 1.4%/hour. I have gone from recharging every two days to every three-four days! My record was 97 hours without a charge and still 18% juice left in the box.

I use GPS navigation once in a while in my car and that consumes a lot of battery, but then the device is always connected to power (I haven't gotten around to try GPS navigation without charging just to check the consumption on Revolution HD).

I am not a techie, so I have disabled background services very conservatively (I killed most social app stuff, but I let services with cryptic names be) and I am using the Lightning browser which is fast and very light. In the beginning, I had a bit of trouble with battery performance until I read that the Power Saving feature must always be on. With the T-mobile ROM, the screen was a battery hog even when set on auto, so I set it manually - on the Revolution HD ROM, the auto brightness works well and conserves battery. It should also be said that I live in an area with good signal reception and coverage is good in most places I go (in areas with low reception, the device will automatically increase the juice for the radio unit).

I am very excited about the Revolution HD ROM, but I cannot tell you how it performs if you do a lot of social networking stuff (I primarily use the phone for work).
10th June 2014, 06:35 PM   |  #7  
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Quote:
Originally Posted by krneki10

I've been on latest stock for a while, but it became slower and slower during time, so I've decided to root and in give few ROMs a try. I've flashed OmniROM and Android Revolution, but my phone is still much slower and laggier in comparison to Galaxy SII (on neatrom) or Galaxy Nexus (on omnimetal). Even Galaxy S1 with latest CM works better.
I've also noticed that it takes very long for MMS to be send, perhaps it's somehow related?

Any ideas what else could I try? OmniROM and Android Revolution should be fast and snappy, right? What could be the problem then?

I've heard that some i9300 phones might have hardware defect that causes similar problems. Is that true?

One solution is to format the internal memory like @tallman43 suggested.
Another reason maybe extra heat on processors. Did you notice this or the temperature is normal?
You can try flashing a different kernel and see if it makes any difference.

MMS sending is more dependent on network speeds so it could be unrelated.


~ RazorMC
13th June 2014, 07:00 PM   |  #8  
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try neatrom Lite v75 full with boeffla kernel and if u can find archi profile (performance) and u could clock to 1700 on boeffla config....i am now on resurrection remix rom 4.4.2 and phone is fast as hell ..it has minor bugs tho..
13th June 2014, 08:35 PM   |  #9  
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u can try AOSP NeatROM v 5.8

very stable and smoth. u can get free ram 400mb++

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