[Galaxy S6 Q&A, Help & Troubleshooting] u1988:
No,I'm still wating to an answer here

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925K

http://www.sammobile.com/forum/showthread.php?t=26487

AT&T Mhz..

F.Y.I Those for the G920 you need to confirem this info in the samsaung web-site.

http://www.sammobile.com/forum/showthread.php?t=26440

http://www.samsung.com/us/mobile/cell-phones/SM-G920AZKAATT-specs

G920A:

Infra: 2G GSM, 3G WCDMA, 4G LTE FDD;

2G GSM: GSM850, GSM900, DCS1800, PCS1900;

3G UMTS: B1(2100), B2(1900), B5(850);

4G FDD LTE: B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B17(700), B20(800)

SM-G925K (I Can't Verify this INFO!)

GSM900, GSM1800, GSM1900,

UMTS850 (B5), UMTS1900 (B2), UMTS2100 (B1),

LTE2100 (B1), LTE700 (B17), LTE850 (B5), LTE1800 (B3), LTE2600 (B7), LTE1900 (B2), LTE800 (B18), LTE800 (B26)

You need to know which bands AT&T use...

I preffer The G920/25F that has allmost all bands (Don't know about at&t).

Update:

Here is almost full list of Bands I found + Links

(Some LINKS are not from Samsung website So I can't be sure about all the bands so check it more):

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S6

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SM-G9200 – China

SM-G9208 – China

SM-G9209 – China

SM-G920A – AT&T

SM-G920D – NTT DOCOMO

SM-G920F – A lot of countries/regions

SM-G920I – A lot of countries/regions

SM-G920K – KT

SM-G920L – LG Telecom

SM-G920M – Brazil ?

SM-G920P – Sprint

G920R4 - US Cellular:

SM-G920S – SK Telecom

SM-G920T – T-Mobile US

SM-G920V – Verizon

SM-G920W8 – Canada etc

SM-G920X – Demo Only, not for public

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S6 Edge

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SM-G9250 – China

SM-G925A – AT&T

SM-G925D – NTT DOCOMO

SM-G925F – A lot of countries/regions

SM-G925I – A lot of countries/regions

SM-G925J – KDDI

SM-G925K – KT

SM-G925L – LG Telecom

SM-G925P – Sprint

G925R4 - US Cellular: -

SM-G925S – SK Telecom

SM-G925T – T-Mobile US

SM-G925V – Verizon

SM-G925W8 – Canada etc

SM-G925X – Demo Only, not for public

G920F –

2G GSM: GSM850, GSM900, DCS1800, PCS1900

3G UMTS: B1(2100), B2(1900), B5(850), B8(900)

4.5G FDD LTE: B1(2100), B2(1900), B3(1800), B4(AWS-1700/2100), B5(850), B7(2600), B8(900), B12(700), B17(700), B18(800), B19(800), B20(800), B26(800(

http://www.samsung.com/uk/consumer/mobile-devices/smartphones/android/SM-G920FZKABTU

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Us:

http://www.samsung.com/us/mobile/cell-phones/all-products

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G920/25A- AT&T:

2G GSM: GSM850, GSM900, DCS1800, PCS1900;

3G UMTS: B1(2100), B2(1900), B5(850);

4G FDD LTE: B1(2100), B2(1900), B3(1800), B4(AWS-1700/2100), B5(850), B7(2600), B8(900), B17(700), B20(800)

http://www.samsung.com/us/support/owners/product/SM-G920AZKAATT

http://www.samsung.com/us/mobile/cell-phones/SM-G920AZKAATT-specs

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G920/25T- T-Mobile:

2G GSM: GSM850, GSM900, DCS1800, PCS1900;

3G UMTS: B1(2100), B2(1900), B4(AWS), B5(850);

4G FDD LTE: B1(2100), B2(1900), B3(1800), B4(AWS-1700/2100), B5(850), B7(2600), B12(700), B17(700), B20(800)

http://www.samsung.com/us/mobile/cell-phones/SM-G920TZDATMB

http://www.samsung.com/us/mobile/cell-phones/SM-G920TZDATMB-specs

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G920/25V – Version

LTE Band 13/4/2 (700/1700/1900 MHz) out of box;

LTE Band 3/5/7 capable (1800/850/700 MHz);

CDMA/1xEVDO Rev. A (800/1900 MHz);

Global :

2G - EDGE/GSM (850/900/1800/1900 MHz),

3G -HSPA/UMTS(850/900/1900/2100 MHz)

http://www.samsung.com/us/mobile/cell-phones/SM-G920VZDAVZW-specs

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G920/25P -Sprint

Infra: 2G GSM, 2G CDMA, 3G UMTS, 3G CDMA, 4G FDD LTE, 4G TDD LTE;

2G GSM: GSM850, GSM900, DCS1800, PCS1900;

3G UMTS: B1(2100), B2(1900), B5(850), B8(900);

2G

CDMA

: CDMA800, USPCS1900;

3G

CDMA

: BC0(800), BC1(1900), BC10(800);

4G FDD LTE: B2(1900), B4(AWS), B5(850), B12(700), B25(1900), B26(800);

4G TDD LTE: B41(2500)

http://www.samsung.com/us/mobile/cell-phones/SM-G920PZDASPR-specs

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G920/25R4 - US Cellular:

Infra: 2G CDMA, 3G CDMA, 4G LTE FDD;

2G CDMA: CDMA800, USPCS1900;

3G CDMA: BC0(800), BC1(1900);

4G FDD LTE: B2(1900), B4(AWS), B5(850), B12(700)

http://www.samsung.com/us/mobile/cell-phones/SM-G920RZKAUSC-specs

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G920/25TR - MetroPCS

Infra: 2G GSM, 3G WCDMA, 4G LTE FDD;

2G GSM: GSM850, GSM900, DCS1800, PCS1900;

3G UMTS: B1(2100), B2(1900), B4(AWS), B5(850);

4G FDD LTE: B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B12(700), B17(700), B20(800)

http://www.samsung.com/us/mobile/cell-phones/SM-G920TRWATMB-specs

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SM-G920/25W8 – Canada ???? - Can't found Any info on samsung web site

GSM850, GSM900, GSM1800, GSM1900,

UMTS850 (B5), UMTS1700/2100 (B4), UMTS1900 (B2), UMTS2100 (B1),

LTE700 (B17), LTE850 (B5), LTE700 (B13), LTE1700/2100 (B4), LTE1900 (B2), LTE700 (B12)

http://www.samsunggalaxyspecs.com/samsung-sm-g920w8-galaxy-s6-lte-a-specs/

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http://pdadb.net/index.php?m=specs&id=7848&c=samsung_sm-g920w8_galaxy_s6_lte-a_samsung_zero_f

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SM-G9200

2G GSM GSM850, GSM900, DCS1800, PCS1900

3G UMTS =WCDMA: B1(2100), B2(1900), B5(850), B8(900)

3G TD-SCDMA B34(2010), B39(1880)

4G FDD LTE B1(2100), B3(1800), B4(AWS), B7(2600), B8(900), B28(700)

4G TDD LTE - B38(2600), B39(1900), B40(2300), B41(2500)

http://www.samsung.com/hk_en/consumer/mobile/smartphones/smartphones/SM-G9200ZWUTGY

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http://www.samsung.com/hk_en/consumer/mobile/smartphones/smartphones/SM-G9250ZWATGY

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SM-G9208 - china

GSM900, GSM1800, GSM1900,

UMTS850 (B5), UMTS900 (B8), UMTS1900 (B2), UMTS2100 (B1),

TD-SCDMA2000, TD-SCDMA1900, LTE2100 (B1), LTE1700/2100 (B4), LTE1800 (B3), LTE2600 (B7), LTE900 (B8),

TD-LTE2600 (B38), TD-LTE2500 (B41), TD-LTE2300 (B40), TD-LTE1900 (B39), LTE700 (B28)

http://pdadb.net/index.php?m=specs&id=7814&c=samsung_sm-g9208_galaxy_s6_td-lte_samsung_zero_f

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SM-G9209 – S6 Duos

GSM850, GSM900, GSM1800, GSM1900,

CDMA800 (BC0),

UMTS850 (B5), UMTS900 (B8), UMTS1900 (B2), UMTS2100 (B1),

LTE2100 (B1), LTE1700/2100 (B4), LTE1800 (B3), LTE2600 (B7), TD-LTE2500 (B41)

http://pdadb.net/index.php?m=specs&id=7815&c=samsung_sm-g9209_galaxy_s6_duos_td-lte_samsung_zero_f

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SM-G920FD (Pakistan, Philippines) S6 Duos

GSM850, GSM900, GSM1800, GSM1900,

UMTS850 (B5), UMTS900 (B8), UMTS1900 (B2), UMTS2100 (B1),

LTE2100 (B1), LTE1700/2100 (B4), LTE1800 (B3), LTE2600 (B7), LTE1900 (B2),

LTE900 (B8), LTE800 (B20), LTE700 (B12), LTE800 (B26)

http://pdadb.net/index.php?m=specs&...20fd_galaxy_s6_duos_lte-a_64gb_samsung_zero_f

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SM-G920I (LATAM, Singapore, India, Australia)

Infra 2G GSM, 3G WCDMA, 4G LTE FDD, 4G LTE TDD

2G GSM GSM850, GSM900, DCS1800, PCS1900

3G: UMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900)

4G FDD LTE B1 (2100MHz), B2 (1900MHz), B3 (1800MHz), B4 (AWS), B5 (850MHz), B7 (2600MHz), B8 (900MHz), B12 (700MHz), B17 (700MHz), B18 (800MHz), B19 (800MHz), B26 (800MHz), B28 (700MHz)

4G TDD LTE B40 (2300MHz)

http://www.samsung.com/sg/business/business-products/mobile-device/smartphone/SM-G920IZDAXSP

http://www.samsung.com/au/consumer/mobile-phone/smartphone/smartphone/SM-G920IZKEXSA

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http://en.wikipedia.org/wiki/Latin_America

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From here I Can't found Any info on samsung web site

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SM-G925S

GSM900, GSM1800, GSM1900,

UMTS850 (B5), UMTS1900 (B2), UMTS2100 (B1),

LTE2100 (B1), LTE700 (B17), LTE850 (B5), LTE1800 (B3), LTE2600 (B7), LTE1900 (B2), LTE800 (B26)

GSM900, GSM1800, GSM1900,

UMTS850 (B5), UMTS1900 (B2), UMTS2100 (B1),

LTE2100 (B1), LTE700 (B17), LTE850 (B5), LTE1800 (B3), LTE2600 (B7), LTE1900 (B2), LTE800 (B18), LTE800 (B26)

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SM-G920D / SGH-N520/TD-LTE SC-05G

GSM850, GSM900, GSM1800, GSM1900,

UMTS800 (B6), UMTS850 (B5), UMTS1900 (B2), UMTS2100 (B1), UMTS800 (B19),

LTE2100 (B1), LTE700 (B17), LTE700 (B13), LTE800 (B19), LTE1500 (B21), LTE700 (B28)

TD-LTE2500 (B41),

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SM-G925J / SCH-J510

GSM850, GSM900, GSM1800, GSM1900,

CDMA800 (BC0),

UMTS850 (B5), UMTS1900 (B2), UMTS2100 (B1), LTE2100 (B1),

LTE700 (B17), CDMA2100 (BC6), LTE800 (B18), LTE800 (B26), TD-LTE2500 (B41), LTE700 (B28)

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SM-G925K

GSM900, GSM1800, GSM1900,

UMTS850 (B5), UMTS1900 (B2), UMTS2100 (B1),

LTE2100 (B1), LTE700 (B17), LTE850 (B5), LTE1800 (B3), LTE2600 (B7), LTE1900 (B2), LTE800 (B18), LTE800 (B26)

SM-G925L

GSM900, GSM1800, GSM1900,

UMTS850 (B5), UMTS1900 (B2), UMTS2100 (B1),

LTE2100 (B1), LTE700 (B17), LTE850 (B5), LTE1800 (B3), LTE2600 (B7), LTE1900 (B2), LTE800 (B26)

SM-G925S

GSM900, GSM1800, GSM1900,

UMTS850 (B5), UMTS1900 (B2), UMTS2100 (B1),

LTE2100 (B1), LTE700 (B17), LTE850 (B5), LTE1800 (B3), LTE2600 (B7), LTE1900 (B2), LTE800 (B26)

http://www.sammobile.com/forum/showthread.php?t=26487

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sm-g9250

GSM850, GSM900, GSM1800, GSM1900,

UMTS850 (B5), UMTS900 (B8), UMTS1900 (B2), UMTS2100 (B1),

LTE700 (B17), TD-SCDMA2000, LTE850 (B5), TD-SCDMA1900, LTE1700/2100 (B4), LTE1800 (B3), LTE2600 (B7), LTE1900 (B2), LTE900 (B8), LTE1900 (B25), LTE700 (B12), LTE800 (B26),

TD-LTE2600 (B38), TD-LTE2500 (B41), TD-LTE2300 (B40), TD-LTE1900 (B39), LTE700 (B28)

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As far as LTE goes:

The SM-G920F has LTE Band 20 (800) where the SM-G920I does not.

The SM-G920I has LTE Band 28 (700) (and TDD LTE band 40) where the SM-G920F does not.

http://xdaforums.com/showpost.php?p=60072532&postcount=35

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