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[HOWTO] Reproduce screen issue (updated 3x results of detailed testing) some phones

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By cheema, Senior Member on 26th October 2011, 09:59 PM
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3rd January 2012, 06:40 AM |#441  
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Yes you are right, they are very close, the processors also seem to be nearly the same too just slightly different snapdragon variants, the only thing really different is the rear speaker placement.
 
 
3rd January 2012, 07:07 AM |#442  
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Quote:
Originally Posted by shnn2011

Yes you are right, they are very close, the processors also seem to be nearly the same too just slightly different snapdragon variants, the only thing really different is the rear speaker placement.

The processors are exactly the same afaik
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3rd January 2012, 04:16 PM |#443  
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Do you guys think that this is a problem within the electronics of the phones using the 1.5Ghz processors, or just due to a problem in the screen manufacturing process for the larger screens?
3rd January 2012, 07:35 PM |#444  
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Quote:
Originally Posted by shnn2011

That was the G2X spec sheet not the G2S its the T989 that has conflicting sources on the gorilla glass.

---------- Post added at 08:24 PM ---------- Previous post was at 08:02 PM ----------

If anyone is interested I know someone involved in a Houston area hacker space who can put up a bounty on finding the problem in the g2s screen. They have many hardware hackers / engineers there and every diagnostic tool you can think of from P.C. board etching systems to data loggers, oscilloscopes, frequency / pattern generators to microscopes . . . It may be something as simple as lack of current.

I think we've had enough of the bounties lol, what happened to "doing it for the love of it"?......plus supercurio and another has already touched up on the issue.

I'm just sayin!
Last edited by princeasi; 3rd January 2012 at 07:38 PM.
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3rd January 2012, 10:01 PM |#445  
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Interesting that my white sg2 the screen is perfect. Perhaps they fix it in the white version.
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3rd January 2012, 10:26 PM |#446  
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Quote:
Originally Posted by princeasi

I think we've had enough of the bounties lol, what happened to "doing it for the love of it"?......plus supercurio and another has already touched up on the issue.

I'm just sayin!

Are they not software hackers only? I was talking about hardware only guys.
3rd January 2012, 10:29 PM |#447  
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Quote:
Originally Posted by jongie123

Interesting that my white sg2 the screen is perfect. Perhaps they fix it in the white version.

I saw where someone had the same issue with a white version

I'm just sayin!
3rd January 2012, 10:39 PM |#448  
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Great to hear
Quote:
Originally Posted by jongie123

Interesting that my white sg2 the screen is perfect. Perhaps they fix it in the white version.

Apparently some models suffer and some don't. It is not isolated to a particular color. Are you sure you followed Cheema's testing direction properly?

Are you talking about the vertical lines issue or blobs?

Did you use a grey background?

What is your phone production date?

---------- Post added at 04:36 PM ---------- Previous post was at 04:32 PM ----------

The guys in the galleria mall T-mobile corporate store did say that there were some flawless displays in some models.

---------- Post added at 04:39 PM ---------- Previous post was at 04:36 PM ----------

In some cases the white ones have been the worst.
3rd January 2012, 11:38 PM |#449  
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Quote:
Originally Posted by shnn2011

Are they not software hackers only? I was talking about hardware only guys.

If the hardware guys want to do it without a bounty then i'm all for it, but raising a bounty just to find out if the problem is hardware or not doesn't make sense to me, especially when we have supercurio working on a workaround to the issues. Basically supercurio already stated that the lines and blobs are a hardware issue. Also there's another thread stating that the blobs are what you call "Mura" which is a hardware issue. The bounty for supercurio made sense because at least, he can possibly develop a software fix to mask the problem. Why should we give money to a group that will basically prove or tell us what's already been said?

I'm just sayin!
4th January 2012, 12:04 AM |#450  
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Quote:
Originally Posted by shnn2011

Apparently some models suffer and some don't. It is not isolated to a particular color. Are you sure you followed Cheema's testing direction properly?

Are you talking about the vertical lines issue or blobs?

Did you use a grey background?

What is your phone production date?

---------- Post added at 04:36 PM ---------- Previous post was at 04:32 PM ----------

The guys in the galleria mall T-mobile corporate store did say that there were some flawless displays in some models.

---------- Post added at 04:39 PM ---------- Previous post was at 04:36 PM ----------

In some cases the white ones have been the worst.

I only did the blobs test,and of course they are some blops and vertical lines like all Amoled screens,but the color reproduction is very good,and they are almost unnotice (yeah yeah forgot the word).I dont know the production date.
4th January 2012, 04:36 AM |#451  
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Quote:
Originally Posted by princeasi

If the hardware guys want to do it without a bounty then i'm all for it, but raising a bounty just to find out if the problem is hardware or not doesn't make sense to me, especially when we have supercurio working on a workaround to the issues. Basically supercurio already stated that the lines and blobs are a hardware issue. Also there's another thread stating that the blobs are what you call "Mura" which is a hardware issue. The bounty for supercurio made sense because at least, he can possibly develop a software fix to mask the problem. Why should we give money to a group that will basically prove or tell us what's already been said?

I'm just sayin!

Thank you for that info. Can you post a link to the thread?

To answer your question:

The reason for the bounty is to provide incentive. These guys don't really do much for money; the money goes to the open source/open hardware community anyways. Most the hardware hacker type guys also don't care much for high end phones like we do. They are busy working on open designs for 3d printers, repairing x-ray machines for 3rd world countries, arduino projects . . .

Furthermore, if the issue is as simple as for instance replacing a resistor or voltage regulator then it is a fix most of us can benefit from. Most of us are either technically inclined enough to do some surface mount soldering / de-soldering or know someone who can. I have seen these guys do some amazing stuff.
Last edited by shnn2011; 4th January 2012 at 04:50 AM. Reason: changed to to do typo

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