Samsung Galaxy Express SGH-I437 (samsung-expressatt)
![]() Samsung Galaxy Express SGH-I437 | |
Manufacturer | Samsung |
---|---|
Name | Galaxy Express SGH-I437 |
Codename | samsung-expressatt |
Released | 2012 |
Hardware | |
Chipset | Qualcomm MSM8960 Snapdragon S4 Plus |
CPU | Dual-core 1.5 GHz Krait |
GPU | Adreno 225 |
Display | 480x800 AMOLED |
Storage | 8 GB |
Memory | 1 GB |
Architecture | armv7 |
Software | |
Original software | Android 4.0 - 4.1 |
postmarketOS | |
Category | testing |
Pre-built images | no |
Mainline | yes |
postmarketOS kernel | 3.4.106 |
Flashing |
Works |
---|---|
USB Networking |
No data |
Internal storage |
No data |
SD card |
No data |
Battery |
No data |
Screen |
Partial |
Touchscreen |
Works |
Multimedia | |
3D Acceleration |
No data |
Audio |
No data |
Camera |
No data |
Camera Flash |
No data |
Connectivity | |
WiFi |
No data |
Bluetooth |
No data |
GPS |
No data |
NFC |
No data |
Modem | |
Calls |
No data |
SMS |
No data |
Mobile data |
No data |
Miscellaneous | |
FDE |
No data |
USB OTG |
No data |
HDMI/DP |
No data |
Sensors | |
Accelerometer |
No data |
Magnetometer |
No data |
Ambient Light |
No data |
Proximity |
No data |
Hall Effect |
No data |
Haptics |
No data |
Barometer |
No data |
Contributors
LogicalErzor
Maintainer(s)
LogicalErzor
Users owning this device
How to enter download/flash mode
Start powered off. From there, hold the
button, button, and button. Once the phone buzzes, release the button.There is also a way to enter Odin download mode without the 3 button combo (link). Instead of the resistor in this schematic being 150k or 619k, make it around 300k (which you could easily do with two 150k or 619k resistors). Will be useful if accidentally soft bricking device.
Installation
- Enter Flash Mode
- Flash pmOS using pmbootstrap flasher flash_rootfs
- Flash kernel using pmbootstrap flasher flash_kernel
Current Known Problems
- Red Tint
- Power button doesn't do anything
- Screen on 24/7
- Only works on Weston
Mainline Progress
Mainline progress can be found here: https://gitlab.com/LogicalErzor/mainline-kernel-pmos-aports
Also look at the SoC page for general tips and tricks: https://wiki.postmarketos.org/wiki/Qualcomm_Snapdragon_S4_Plus_(MSM8960)
Smallest CAF Kernel
Methodology: https://gitlab.com/LogicalErzor/find-closest-caf-tag
Samsung Provided Kernel: https://gitlab.com/LogicalErzor/samsung-downstream-kernel
In order to find the smallest diff, I iterated over every tag. It seems like M8960AAAAANLYA106305 in the CAF kernel has the smallest size. Here is a list of the other tags:
Bytes Tag
30956762 M8960AAAAANLYA106305.diff
31025719 M8960AAAAANLYA113111.diff
31025719 M8960AAAAANLYA113110.diff
31035608 M8960AAAAANLYA1063.diff
31039011 M8960AAAAANLYA113109.diff
31039550 M8960AAAAANLYA113108.diff
31040167 M8960AAAAANLYA113106.diff
31041864 M8960AAAAANLYA113112.diff
31480245 M8960AAAAANLYA113101.diff
31953507 M8960AAAAANLYA196143004.diff
31953507 M8960AAAAANLYA196143003.diff
31965445 M8960AAAAANLYA196143007.diff
31982898 M8960AAAAANLYA196143023.diff
32368194 M8960AAAAANLYA196143041.diff
32373824 M8960AAAAANLYA196143058.diff
34484916 M8960AAAAANLYA153617.diff
34487048 M8960AAAAANLYA153618.diff
34537042 M8960AAAAANLYA1542.diff
34541979 M8960AAAAANLYA153619.diff
34551177 M8960AAAAANLYA1005304.diff
34552609 M8960AAAAANLYA10529500.diff
38588692 M8960AAAAANLYA1731.diff
38693998 M8960AAAAANLYA1732.diff
38767719 M8960AAAAANLYA1733.diff
38794188 M8960AAAAANLYA1519249.diff
38794194 M8960AAAAANLYA1519245.diff
38798325 M8960AAAAANLYA1519250.diff
38896430 M8960AAAAANLYA1519282.diff
38933280 M8960AAAAANLYA1519291.diff
38933280 M8960AAAAANLGA1519291.diff
38947675 M8960AAAAANLYA1519306.diff
38947675 M8960AAAAANLGA1519306.diff
38979449 M8960AAAAANLYA1519328.diff
38991275 M8960AAAAANLYA1519349.diff
38991486 M8960AAAAANLYA1519352.diff
39061477 M8960AAAAANLYA1519354.diff
39088362 M8960AAAAANLYA1519355.diff
167005071 M8960AAAAANLYA1731J.diff
167056574 M8960AAAAANLYA17301J.diff
167080764 M8960AAAAANLYA1732J.diff
167137801 M8960AAAAANLYA17321J.diff
167227879 M8960AAAAANLYA1734J.diff
167236730 M8960AAAAANLYA17341J.diff
167242176 M8960AAAAANLYA1737J.diff
167243958 M8960AAAAANLYA17371J.diff
167246676 M8960AAAAANLYA1738J.diff
167257565 M8960AAAAANLYA1736J.diff
167267144 M8960AAAAANLYA20231002.diff
167304611 M8960AAAAANLYA2003B.diff
167315077 M8960AAAAANLYA17381J.diff
167321926 M8960AAAAANLYA17382J.diff
167356062 M8960AAAAANLYA20203.diff
167375473 M8960AAAAANLYA1740J.diff
167406618 M8960AAAAANLYA1741J.diff
167421603 M8960AAAAANLYA20230.diff
167428326 M8960AAAAANLYA1742J.diff
167430609 M8960AAAAANLYA20231.diff
167430609 M8960AAAAANLYA20041011.diff
167445120 M8960AAAAAYA20041014.diff
167917864 M8960AAAAANLYA1743J.diff
167926394 M8960AAAAANLYA20233.diff
167939479 M8960AAAAANLYA20232.diff
167942606 M8960AAAAANLYA1744J.diff
167944324 M8960AAAAANLYA1745J.diff
167966086 M8960AAAAANLYA2016183.diff
167981964 M8960AAAAANLYA20234.diff
168294177 M8960AAAAANLYA2004.diff
168699480 M8960AAAAANLYA0081.diff
168746572 M8960AAAAANLYA2005.diff
168953251 M8960AAAAANLYA2301.diff
169038578 A8064AAAAANLYA1621C.diff
169038698 M8960AAAAANLYA2214006.diff
169040616 M8960AAAAANLYA2220.diff
169043171 M8960AAAAANLYA2207.diff
169045252 M8960AAAAANLYA2021.diff
169066011 M8960AAAAANLYA2022.diff
169069651 M8960AAAAANLYA2221.diff
169097918 M8960AAAAANLYA2023.diff
169101498 M8960AAAAANLYA2222A.diff
169114793 M8960AAAAANLYA2217046.diff
169116600 M8960AAAAANLYA2223.diff
169123513 M8960AAAAANLYA2217057.diff
169124402 M8960AAAAANLYA2243004.diff
169124402 M8960AAAAANLYA2243002.diff
169132682 M8960AAAAANLYA2030.diff
169158406 M8960AAAAANLYA2243006.diff
169182936 M8960AAAAANLYA2225.diff
169206593 M8960AAAAANLYA2031.diff
169208143 M8960AAAAANLYA2217096.diff
169217292 M8960AAAAANLYA2302.diff
169291364 M8960AAAAANLYA2217130.diff
169291807 M8960AAAAANLYA2217137.diff
169292004 M8960AAAAANLYA2217131.diff
169293435 M8960AAAAANLYA20601.diff
169334860 M8960AAAAANLYA20602.diff
169449005 M8960AAAAANLYA2303.diff
169651843 M8960AAAAANLYA2304.diff
169748987 M8960AAAAANLYA2540092.diff
169840243 M8960AAAAANLYA2060301.diff
169840243 M8960AAAAANLYA203301.diff
169875694 M8960AAAAANLYA2217182.diff
169880950 M8960AAAAANLYA20604.diff
169885317 M8960AAAAANLYA2217202.diff
169885317 M8960AAAAANLYA20605.diff
169890380 M8960AAAAANLYA2034.diff
169901458 M8960AAAAANLYA2217216.diff
169904329 M8960AAAAANLYA2217228.diff
169904329 M8960AAAAANLYA2035.diff
169919535 M8960AAAAANLYA2217239.diff
169955313 M8960AAAAANLYA2217260.diff
169998310 M8960AAAAANLYA2217313.diff
170492975 M8960AAAAANLYA2320.diff
170665582 M8960AAAAANLYA2321.diff
170785605 M8960AAAAANLYA2330.diff
170933550 M8960AAAAANLYA2331.diff
171348064 M8960AAAAANLYA2540324.diff
171366998 M8960AAAAANLYA2540332.diff
171433279 M8960AAAAANLYA2540367.diff
171489586 M8960AAAAANLYA25040389.diff
171502177 M8960AAAAANLYA25040417.diff
171524282 M8960AAAAANLYA25040463.diff
171526365 M8930AAAAANLYA2540482.diff
171526365 M8930AAAAANLYA25040482.diff
171551481 M8960AAAAANLYA2540513.diff
171581631 A8064AAAAANLYA25040541.diff
171582007 A8064AAAAANLYA25040543.diff
171591299 A8064AAAAANLYA25040564.diff
171667068 M8960AAAAANLYA26109002.diff
171725185 M8960AAAAANLYA26109018.diff
171870210 M8960AAAAANLYA26109048.diff
171874889 M8960AAAAANLYA26144002.diff
171875416 M8960AAAAANLYA26144005.diff
171891089 M8960AAAAANLYA26109082.diff
171917023 M8960AAAAANLYA26109102.diff
171921467 M8960AAAAANLYA26109109.diff
173554777 LNX.LA.2.7.c1-00300-8960.0.diff
173690710 LNX.LA.2.7.c1-01100-8960.0.diff
174961443 LNX.LA.2.7-01110-8960.0.diff
174967998 M8960AAAAANLYA26109130.diff
174981180 LNX.LA.2.7-01210-8960.0.diff
175123235 LNX.LA.2.7-01910-8960.0.diff
175135636 LNX.LA.2.7-02410-8960.0.diff
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175268611 LNX.LA.2.7-02710-8960.0.diff
175283114 LNX.LA.2.7-02910-8960.0.diff
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175841371 LNX.LA.2.7-04410-8960.0.diff
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175869088 LNX.LA.2.7-05010-8960.0.diff
175871397 LNX.LA.2.7.3-02300-8064.0.diff
175872611 LNX.LA.2.7.4-01200-8960.0.diff
175873265 LNX.LA.2.7.4-01800-8960.0.diff
175873265 LNX.LA.2.7.4-01600-8960.0.diff
175873622 LNX.LA.2.7.4-02300-8960.0.diff
175873803 LNX.LA.2.7.4-02600-8960.0.diff
175875115 LNX.LA.2.7-05210-8960.0.diff
175884826 LNX.LA.2.7.4-06900-8960.0.diff
175884826 LNX.LA.2.7.4-06200-8960.0.diff
175884826 LNX.LA.2.7.4-05800-8960.0.diff
175884826 LNX.LA.2.7.4-05400-8960.0.diff
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