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How to tell if you have MLC or TLC flash iPhone 6/6 Plus

Max(IT) said:
Please read again my posts. In your downplay Apple effort you probably missed something.
I never started TLC to be superior. I started they are more than ADEQUATE for smartphone use.
Motherboard architecture has NOTHING to do with TLC reliability over the time. Nothing at all.
Click to expand...

Not relaability, but the motherboard architeture has a lot to do with with stabailty of a product. The chipset/controller on a MB paired with either a Sata/PCI ssd can cause issues.

I was saying you cannot compare desktop implementation of a SSD , 840 in this case, to support the iphone implementation. Cause someone out there might have a 840 that does not place nice with the MoBo chipset, and that does not make the 840 scrap.
 
MH01 said:
Not relaability, but the motherboard architeture has a lot to do with with stabailty of a product. The chipset/controller on a MB paired with either a Sata/PCI ssd can cause issues.

I was saying you cannot compare desktop implementation of a SSD , 840 in this case, to support the iphone implementation. Cause someone out there might have a 840 that does not place nice with the MoBo chipset, and that does not make the 840 scrap.
Click to expand...

In this specific case we are just speaking about reliability. The whole discussion is about reliability and long term reliability.
Desktop implementations are by far more demanding than smartphones, so if we are using SSD based on TLC NAND even on enterprise server solution, we can use it on a smartphone that surely isn't going to sustain several Gb per days of writes and reads cycles.
I'm not denying your unit could have a defective NAND. I am very positive it could be the issue. I'm just saying that had nothing to do with the fact it is a TLC NAND. It could have been a defective MLC.....
In this case could have really been a defective batch of TLC NANDs used in November's production batches.
 
Max(IT) said:
Again and again you totally missed the point. No-one on this thread reported TLC as overall superior of MLC.
We are speaking about TLC as totally fine in smartphone and SSD use. And the market again is confirming it.
SLC are even superior than MLC. That's totally irrelevant.

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Not "enough articles". Just ONE UNCONFIRMED SOURCE, BusinessKorea ,reported on many websites where the information is barely a copy & past of something else (this is the web today :rolleyes:).
The same "reliable source" reported at three half of November Apple to cease using TLC NAND. Apple denied that, and at the start of 2015 they are still using TLC on 128 and 64 Gb models.
Speaking about internet reliability....
And it doesn't imply TLC technology is the culprit, but just that a batch of bad TLC NAND could be the reason.
As usual people ignoring what TLC is, are making things up about nothing....
Click to expand...

I have a 128 plus with constant freezing and crashing. Hence I am on this tread, I have my doubts about the TLC implementation on the iPhone 6 plus. I have confirmed mine is a TLC model. I doubt the memory itself is the issue, the implementation is the problem, in thay case x amount of units would have been effected until apple corrected it, my assumption. Mine was one of the first units, bought it first week.

I think we agree SLC over MLC over TLC , as I posted earlier. And I also agree with you that TLC is improving and it will. The memory will out last the life span of an iphone, though something is wrong with some model of 128 and 64 iPhones that crash . Researching into it quite a few articles point the possible implementation of TLC


I have an appoitment tomorrow in the Apple Store.

I think we are on the same wave length now, we just go there from different sides . Have an awesome Sunday! I'm off to the pub.
 
MH01 said:
I have a 128 plus with constant freezing and crashing. Hence I am on this tread, I have my doubts about the TLC implementation on the iPhone 6 plus. I have confirmed mine is a TLC model. I doubt the memory itself is the issue, the implementation is the problem, in thay case x amount of units would have been effected until apple corrected it, my assumption. Mine was one of the first units, bought it first week.

I think we agree SLC over MLC over TLC , as I posted earlier. And I also agree with you that TLC is improving and it will. The memory will out last the life span of an iphone, though something is wrong with some model of 128 and 64 iPhones that crash . Researching into it quite a few articles point the possible implementation of TLC


I have an appoitment tomorrow in the Apple Store.

I think we are on the same wave length now, we just go there from different sides . Have an awesome Sunday! I'm off to the pub.
Click to expand...
As I said I'm quite positive your constant crash and freezing could have been caused by a defective NAND.
I hope Apple will give you a new unit with a fully functional NAND, TLC or MLC if you prefer (it's impossible to say also for the genius).
 
How to tell if your phone has MLC or TLC flash and what to do about it.

step 1 - Use phone
step 2 - see step 1

step 1a - phone stops working
step 1b - take phone to apple
step 1c - apple replaces phone
step 1d - see step 1
 
Zxxv said:
How to tell if your phone has MLC or TLC flash and what to do about it.

step 1 - Use phone
step 2 - see step 1

step 1a - phone stops working
step 1b - take phone to apple
step 1c - apple replaces phone
step 1d - see step 1
Click to expand...

A good philosophy :D
 
Zxxv said:
How to tell if your phone has MLC or TLC flash and what to do about it.

step 1 - Use phone
step 2 - see step 1

step 1a - phone stops working
step 1b - take phone to apple
step 1c - apple replaces phone
step 1d - see step 1
Click to expand...

http://www.techgravy.net/check-iphone-6-mlc-tlc-nand-flash-memory/

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Max(IT) said:
As I said I'm quite positive your constant crash and freezing could have been caused by a defective NAND.
I hope Apple will give you a new unit with a fully functional NAND, TLC or MLC if you prefer (it's impossible to say also for the genius).
Click to expand...

Will know tomorrow, hopefully I get a genius who has dealt with this issue before and has some info I can share
 
So this phone doctor app is pretty cool. And I determined I have MLC in my Plus 64. I've not had any issues with apps crashes. I do have the lag in some apps and from time to time the phone either takes forever to switch to landscape mode. Also in messaging the screen will be slow or non responsive for a second. It's gotten better with software updates but still there every now and again. While this has been my favorite of all iPhones since my 3G, it's also been the buggiest.

I have two questions for the techies in this group. What does the CPU performance number indicate? What's a good number? And also what's normal for memory usage? Mine is showing 88%.
 
Last edited:
My iPhone 6 Plus 64gb week 51 has TLC flash. Don't have any crashing/freezing problems so far...
 
Zxxv said:
How to tell if your phone has MLC or TLC flash and what to do about it.

step 1 - Use phone
step 2 - see step 1

step 1a - phone stops working
step 1b - take phone to apple
step 1c - apple replaces phone
step 1d - see step 1
Click to expand...

Can you make a flow chart out of that? ;)

If you don't have freezing or crashing issues, it makes no difference checking if you have MLC or TLC. A lot of iPhone hypochondriacs...
 
sunking101 said:
Let's hope that's true. The web is full of conflicting evidence but it does seem apparent that the smaller the flash memory, the quicker it will fail. I still remain unconvinced that SSDs last as long as a decent HDD, let alone for decades longer...
Click to expand...

HDDs in general will last longer than SSDs.

SSD has a limited write counts before they die, there will be no signs of failure and on one magically day it just happens. It also depends on who made the NANDs, what type of quality and etc.


On the Comp

One guy I know, had his SSD died in 8 months.

While another guy has been trying to kill his for the past 2 years, doing everything that you're not suppose to do to it. Such as defragging it, direct torrenting and moving large files back & forth on a constantly. LOL
 
E2EK1EL said:
HDDs in general will last longer than SSDs.

SSD has a limited write counts before they die, there will be no signs of failure and on one magically day it just happens. It also depends on who made the NANDs, what type of quality and etc.


On the Comp

One guy I know, had his SSD died in 8 months.

While another guy has been trying to kill his for the past 2 years, doing everything that you're not suppose to do to it. Such as defragging it, direct torrenting and moving large files back & forth on a constantly. LOL
Click to expand...

********, HDDs tend to die faster because of the presence of moving parts.

You should look here: http://techreport.com/review/27436/the-ssd-endurance-experiment-two-freaking-petabytes

Two PETAbytes of writes later, and the MLC-based SSDs are still chugging along.

On a side note, in Macs, Apple only uses MLC SSDs. The PCIe SSDs made by Samsung are all MLC.
 
E2EK1EL said:
HDDs in general will last longer than SSDs.

SSD has a limited write counts before they die, there will be no signs of failure and on one magically day it just happens. It also depends on who made the NANDs, what type of quality and etc.


On the Comp

One guy I know, had his SSD died in 8 months.

While another guy has been trying to kill his for the past 2 years, doing everything that you're not suppose to do to it. Such as defragging it, direct torrenting and moving large files back & forth on a constantly. LOL
Click to expand...

Absolutely not true.
And anecdotal evidences like "a friend of mine" don't count as proof.
HDD are using moving parts, this are more subject to failures.
SSD have limited write cycles, but that word "limited" still means YEARS, and I mean quite a lot for normal use.

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newfoundglory said:
Doesn't seem like Apple are switching back to MLC anytime soon. My 6 Plus 64gb also has TLC and is week 46.
Click to expand...

True, because even if the issue was caused by a defective batch of NAND, that wasn't related to their technology involved (TLC vs MLC) but only by a defective production batch.
So now they are using perfectly working TLC NANDs.
 
My TLC 6 is fast and hasn't crashed on me yet (since launch). Enjoying the extra speed though.
 
128GB iPhone 6 here and I have TLC flash too. Luckily haven't had any issues but will def keep an eye out for any in the future.
 
Week 52 iPhone 6+ 64GB Silver. MLC flash. No problems at all so far, things run smooth and great, battery is awesome, I heard so many bad things about quality control of the new iPhones but I guess I got lucky with mine; this is my first plus and it's perfect. Either that or the newer batches just have better quality. Picked up at full price directly in a local Verizon store.
 
Newtons Apple said:
Do we have a specific date that Apple started using only MLC chips?



My 6+ was built in late Dec 2014:rolleyes:
Click to expand...


Apple never started using only MLC... and it probably never will. It was only in unsubstantiated rumor.

Distribution is still:
16GB: MLC only
64GB: part MLC, part TLC
128GB: TLC only
 
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