[Q] Hardware differences between other m8s? - Verizon HTC One (M8)

I know the verizon and sprint m8s has CDMA functionality and other versions are GSM only.
Is this an actual hardware difference? Or is it available in all versions but locked away behind firmware similar to how the different carriers lock away different LTE bands?
Thanks,
-Andy

Related

[Q] HTC TP2 CDMA in US Unlocked Internationally?

Hi guys, I bought a Sprint Touch Pro 2 that was being used on the CDMA network, but after moving to Ireland, I realized the phone was automatically unlocked hence any sim works on it.
I have used the Rhodium W Hard-SPL in the CDMA section for it, but am left wondering. Does my TP2 still fall under CDMA or is it now under GSM?
Coz i have tried loading some ROMS under the Touch Pro2, Tilt 2 Windows Mobile ROM Development and it failed and returned an ERROR.
So question is, is it still CDMA and can I upgrade to Android ROM?
Thanks.
1) Yes, the default Sprint radio is unlocked for the Euro GSM bands (900/1800 GSM and 2100 WCDMA) by default. No need to pay for a SIM unlock unless you want to swap radios ROMs.
2) NO, you CANNOT use GSM ROMs. The device can only use the custom "CDMA" ROMs. The CDMA TP2 hardware is a hybrid model, whereas the "GSM" versions are GSM only. The ROMs are incompatible.
DO NOT FLASH A GSM ROM TO YOUR SPRINT TP2 FOR ANY REASON WHATSOEVER.
As far as Android, yes, you can safely load Android via Haret.
Thanks Gamescan for that prompt and to the point reply. Much appreciated.
Just another question if you might know, so which would you say is has better hardware? If the CDMA is Hybrid and the GSM is GSM only, am I to take it that the CDMA is better as it's (for lack of a better word) more advanced, or is the GSM better and why?
Thanks, thinking of trying Android, but, first read alot and see if the advantages outweigh running WM on the TP2.
Same hardware, different radios.
If you're in Europe, it doesn't really matter as every TP2 model supports GSM 900/1800 and WCDMA 2100, which are the Euro GSM and 3G frequencies.
Model choice only matters if you plan on using the phone in the Americas, where the GSM and WCDMA bands differ.
ROM wise it matters because even if you're not using the CDMA radio, the hardware is different and the ROMs are designed to reflect that. For day-to-day use in Ireland though, you'll never know the difference between models.

LTE Radio Bands

Forgive me if this is a trivial question, but since European carriers such as Vodafone and O2 Germany also have the dual-core version of the HOX, is it possible to flash a european radio and use the European LTE frequencies? Or are the frequency bands hard-coded into the chipset?
It was my assumption that the US and European LTE variants used the same hardware components, but were just set up to use different LTE bands.
Frequency support is set in hardware.
redpoint73 said:
Frequency support is set in hardware.
Click to expand...
Click to collapse
Thinking more about this, I'm still not convinced it's impossible to flash a european radio on the HOX to swap LTE bands. Unless the physical antenna is different, I'd think that it's a possibility.
With my other phone, the Samsung Skyrocket, we can flash T-Mobile radios to gain support for the 1700 AWS band. The chipset supports it, and it just took a radio flash to activate it. AFAIK, you can't use 1700 and LTE though - that or a radio with support for both doesn't exist.
I guess it depends on what chipset the German One XL uses..but I'll wait to see if someone has luck before I risk my own One X.
The hardware is different, as I already said.
The Skyrocket (and a few other AT&T phones, like the Galaxy Note) included the AWS band in hardware (likely due to the now defunct merger with T-Mobile that was going on at the time). The hardware was there, but AWS was simply not enabled in software. Hacks to make AWS work on these phones just enabled the software side for what is already supported in hardware. Without the hardware already being there, no amount of radio flashing will create support for frequencies not already there.
Its possible that some bands are "hidden" in the same way that AWS was for the Skyrocket. Lots of folks here on T-Mobile are hoping the same AWS support is possible on our phone. But if the hardware is not already there (such as for different LTE bands, as you are asking for), you can't make it happen by flashing radios. In the case of AWS, AT&T had a reason for including support (T-Mobile merger). They don't have a reason for including support for LTE bands willy-nilly, just for the sake of doing so, without any tangible (monetary) reason.

LTE Bands support accross different region

If LTE bands are dependent on the physical chips that comes with it, doesn't it means that Nexus 5 should technically supports all LTE bands regardless of which region they are sold from? I highly doubt that there's any hardware difference that ships from google US, UK, JP, AU, etc etc. They must have come from the same factory but why the differences in the LTE band supported? Will software hack be able to enable those unsupported LTE bands in the future? Any guess?

Confirmation of the bands each carrier version supports

First unfortunately it's not just one version for all the carriers as some had suggested. The GSM providers phones do not support CDMA. The T-Mobile version is the only one with the new band 66 LTE. The AT&T version is the only one that supports band 30 (the fastest band in my area)
SEE FULL SPECS by following the links
http://www.samsung.com/us/support/owners/product/galaxy-s8-sprint
http://www.samsung.com/us/support/owners/product/galaxy-s-8-at-t
http://www.samsung.com/us/support/owners/product/galaxy-s8-t-mobile
http://www.samsung.com/us/support/owners/product/galaxy-s8-verizon
So the Verizon model is missing at&t frequencies?
Turb0wned said:
So the Verizon model is missing at&t frequencies?
Click to expand...
Click to collapse
Seems it had them all. I'm curious as to why the att version is. Band 17 if att themselves use the 17 in many places. It's actually one of the main bands of att and they don't have it showing
Sent from my ZTE A2017U using Tapatalk
osmosizzz said:
Seems it had them all. I'm curious as to why the att version is. Band 17 if att themselves use the 17 in many places. It's actually one of the main bands of att and they don't have it showing
Sent from my ZTE A2017U using Tapatalk
Click to expand...
Click to collapse
Band 12 includes band 17. If the phone truly doesn't support band 17, then I suspect that AT&T advertises the band as 12 and 17 to support it.
Guys check this eBay listing, there's something funny about it, 232298704354
Selling cheaper, one unit, faster than official shipping.
The seller feed back is off from picture to details of feedback and also the items sold are entirely different than phones.
Think it's a hacked account?
Sent from my SM-G935U using Tapatalk
So what it seems like to me (im not including sprint nor did I even pay attention to it) is that the Verizon model should work great with both AT&T and Tmobile if one wanted to switch. Looks like the verizon model would be the closes to the factory unlocked model, even more so if they really dont have any Verizon branding on them. But, what is 3G TD-SCDMA that is on the GSM models?
It appears that Samsung's website is showing the same unlocked model for all carriers (G950U*), although I'm not sure why the LTE bands supported are listed (slightly) differently for each carrier. Confusingly, this is a different model than the phones being sold directly by each carrier (G950P for Sprint, G950A for AT&T, G950V for Verizon, G950T for T-Mobile). You can see that that LTE bands supported by those models are different that the G950U as well (the carrier-specific versions seem to have a subset of the LTE bands supported by the unlocked version). I was not able to locate a spec sheet for the G950P.
dustbuster said:
It appears that Samsung's website is showing the same unlocked model for all carriers (G950U*), although I'm not sure why the LTE bands supported are listed differently for each carrier. Confusingly, this is a different model than the phones being sold directly by each carrier (G950P for Sprint, G950A for AT&T, G950V for Verizon, G950T for T-Mobile). You can see that that LTE bands supported by those models are different that the G950U as well. I was not able to locate a spec sheet for the G950P.
Click to expand...
Click to collapse
What was wrong with the links to each carrier i provided plus the pictures i uploaded?
954wrecker said:
What was wrong with the links to each carrier i provided plus the pictures i uploaded?
Click to expand...
Click to collapse
The links you provided are all to the Samsung website. The Samsung website does not have the same models that the carriers themselves are selling, as I tried to explain above.
dustbuster said:
The links you provided are all to the Samsung website. The Samsung website does not have the same models that the carriers themselves are selling, as I tried to explain above.
Click to expand...
Click to collapse
So you want me to believe the 4 carrier versions Samsungs selling are not the same phones that the 4 carriers themselves are selling?
The phones I ordered from samsung are not the same as I would have gotten from the carriers directly? I'm sorry but i think it's you that is confused.
954wrecker said:
So you want me to believe the 4 carrier versions Samsungs selling are not the same phones that the 4 carriers themselves are selling?
Click to expand...
Click to collapse
The evidence indicates that they are likely different... but you can believe whatever you want.
dustbuster said:
The evidence indicates that they are likely different... but you can believe whatever you want.
Click to expand...
Click to collapse
Thanks but the links you provided prove absolutely nothing that you said
dustbuster said:
It appears that Samsung's website is showing the same unlocked model for all carriers (G950U*), although I'm not sure why the LTE bands supported are listed (slightly) differently for each carrier. Confusingly, this is a different model than the phones being sold directly by each carrier (G950P for Sprint, G950A for AT&T, G950V for Verizon, G950T for T-Mobile). You can see that that LTE bands supported by those models are different that the G950U as well (the carrier-specific versions seem to have a subset of the LTE bands supported by the unlocked version). I was not able to locate a spec sheet for the G950P.
Click to expand...
Click to collapse
I don't see where the carriers list their model numbers anywhere...
Actually, here's other preorders from carriers:
AT&T (Says U)
http://forum.xda-developers.com/galaxy-s8+/how-to/galaxy-s8-s8-waiting-t3581697/post71861643
Sprint (Also says U)
http://forum.xda-developers.com/galaxy-s8+/how-to/galaxy-s8-s8-waiting-t3581697/post71876304
It's the same model phone but with different FW. It is possible that specific carrier models only support their own network bands thru FW. In the past, the Samsung would actually have different radio and antenna hardware in the phones.
Given the proper FW I believe the s8 series will function identically no matter which carrier model is used provided the SIM is unlocked.
My 2 cents
Sent from my Nexus 7 using Tapatalk
equake said:
It's the same model phone but with different FW. It is possible that specific carrier models only support their own network bands thru FW. In the past, the Samsung would actually have different radio and antenna hardware in the phones.
Given the proper FW I believe the s8 series will function identically no matter which carrier model is used provided the SIM is unlocked.
My 2 cents
Click to expand...
Click to collapse
That's exactly how the US S7 variants were, only difference was the firmware installed. I'm hoping for the same.

Is it possible to enable CDMA on an AT&T GM955U?

I wish to change my carrier from AT&T which is GSM based to one that is CDMA based, however the G955U has a GSM-locked bootloader by default. Considering that all Galaxy S8+'s have hardware CDMA support regardless of carrier, is it possible to flash a Verizon bootloader or anything of that sort to be able to use my phone on a CDMA carrier?
Thanks!

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