Samsung Galaxy Tab S 10.5" (SM-T800)
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Resources
- Official Samgsung Page for Samsung Galaxy Tab S 10.5" - Good for them for still having this page available!
- LineageOS page
- GSM Arena Page
- Linux Kernel Source Code for the Samsung Exynos 5420 Chipset
- XDA Forums >> Unofficial LineageOS 17.1 ROM for Samsung Galaxy Tab S 10.5 WiFi (SM-T800 - chagallwifi)
- XDA Forums >> Unofficial LineageOS 17.1 ROM for Samsung Galaxy Tab S (SM-T700, SM-T705, SM-T800, SM-T800, SM-P600)
- Latest Custom ROM Build ( as of 2025-06-14 ) : Samsung T700/5 T800/5 LineageOS-17.1-2-1-2025 ( lineage-17.1-20250102-UNOFFICIAL-chagallwifi.zip )
- WARNING: !!! Lots of things broken on this ROM including camera, fingerprint reader, GApps, etc.!
- Source code of this ROM (android_device_samsung_universal5420-common) by HazouPH
- Latest Custom ROM Build ( as of 2025-06-21 ) : LineageOS 20 for Samsung Galaxy Tab S 10.5 (SM-T805/SM-T800 - chagalllte/chagallwifi ) - Alpha
- WARNING: !!! Lots of things broken on this ROM including camera, fingerprint reader, Infrared, and there is a memory leak with Chrome browsers!
- [https://github.com/retiredcrave/android_kernel_samsung_exynos5420/tree/lineage-21.0 Source code of this RPM ( android_kernel_samsung_exynos5420 ) by retiredtab
- TWRP for chagalllte -- Latest version as of 2025-06-21 is twrp-3.7.0_9-0-chagalllte.img
Getting Model/Model Variant/Product Name/Bootloader Version/Android Release/Serial Number
All of this information can be gotten from an adb shell. From your machine with the tablet connected via USB.
Don't ask me why there are so many different identifiers, but here they are:
# Model ~ # getprop ro.product.model SM-T800 # Model Variant ~ # getprop ro.product.device chagallwifi # Product Name ~ # getprop ro.product.name chagallwifixx # Bootloader version ~ # getprop ro.boot.bootloader T800XXU1ANFB # Android version/release ~ # getprop ro.build.version.release 6.0.1 # Serial number ( Not a real serial number below but this is the format ) ~ # getprop ro.serialno 023418ad419c1751
And there's a lot more you can get just by running getprop
~ # getprop | grep 'ro.boot\|ro.build\|ro.product' [ro.boot.bootdevice]: [dw_mmc.0] [ro.boot.bootloader]: [T800XXU1ANFB] [ro.boot.console]: [ttySAC2] [ro.boot.debug_level]: [0x4f4c] [ro.boot.emmc_checksum]: [3] [ro.boot.hardware]: [universal5420] [ro.boot.odin_download]: [1] [ro.boot.sec_atd.tty]: [/dev/ttySAC2] [ro.boot.selinux]: [permissive] [ro.boot.serialno]: [023418ad419c1751] [ro.boot.warranty_bit]: [1] [ro.bootimage.build.date.utc]: [1617650748] [ro.bootimage.build.date]: [Mon Apr 5 19:25:48 UTC 2021] [ro.bootimage.build.fingerprint]: [samsung/omni_chagallwifi/chagallwifi:6.0.1/MOB31K/26:eng/test-keys] [ro.bootloader]: [T800XXU1ANFB] [ro.bootmode]: [unknown] [ro.build.characteristics]: [default] [ro.build.date.utc]: [0] [ro.build.date]: [Mon Apr 5 19:24:56 UTC 2021] [ro.build.display.id]: [omni_chagallwifi-eng 6.0.1 MOB31K 26 test-keys] [ro.build.flavor]: [omni_chagallwifi-eng] [ro.build.host]: [93f70f4836da] [ro.build.id]: [MOB31K] [ro.build.tags]: [test-keys] [ro.build.type]: [eng] [ro.build.user]: [jenkins] [ro.build.version.all_codenames]: [REL] [ro.build.version.base_os]: [] [ro.build.version.codename]: [REL] [ro.build.version.incremental]: [26] [ro.build.version.preview_sdk]: [] [ro.build.version.release]: [6.0.1] [ro.build.version.sdk]: [23] [ro.build.version.security_patch]: [2016-11-05] [ro.product.board]: [universal5420] [ro.product.brand]: [samsung] [ro.product.cpu.abi2]: [armeabi] [ro.product.cpu.abi]: [armeabi-v7a] [ro.product.cpu.abilist32]: [armeabi-v7a,armeabi] [ro.product.cpu.abilist64]: [] [ro.product.cpu.abilist]: [armeabi-v7a,armeabi] [ro.product.device]: [chagallwifi] [ro.product.locale]: [en-US] [ro.product.manufacturer]: [samsung] [ro.product.model]: [SM-T800] [ro.product.name]: [chagallwifixx]
Downloading Stock Firmware
Stock firmware can be downloaded here: https://samfw.com/firmware/SM-T800
Select the correct firmware with your bootloader variant ( T800XXU1ANFB from above )
Extracting Stock Firmware
# ls -l -rw-rw-r-- 1 jeremy jeremy 1,504,476,028 2025-06-24 11:56:43 SAMFW.COM_SM-T800_ITV_T800XXU1CPK1.zip # unzip SAMFW.COM_SM-T800_ITV_T800XXU1CPK1.zip # ls -l -rw-rw-r-- 1 jeremy jeremy 1,504,476,028 2025-06-24 11:56:43 SAMFW.COM_SM-T800_ITV_T800XXU1CPK1.zip -rw-rw-r-- 1 jeremy jeremy 2,452,910,149 2016-11-07 13:22:28 T800XXU1CPK1_T800ITV1CPI1_HOME.tar.md5 # tar xvf T800XXU1CPK1_T800ITV1CPI1_HOME.tar.md5 boot.img cache.img hidden.img recovery.img sboot.bin system.img tar: A lone zero block at 4790840 # ls -l total 6,410,313,728 -rwx------ 1 jeremy jeremy 7,911,696 2016-11-04 00:53:42 boot.img -rwx------ 1 jeremy jeremy 19,169,568 2016-11-04 00:53:42 cache.img -rwx------ 1 jeremy jeremy 216,867,264 2016-11-04 00:53:42 hidden.img -rwx------ 1 jeremy jeremy 8,397,072 2016-11-04 00:53:42 recovery.img -rw-rw-r-- 1 jeremy jeremy 1,504,476,028 2025-06-24 11:56:43 SAMFW.COM_SM-T800_ITV_T800XXU1CPK1.zip -rwx------ 1 jeremy jeremy 1,148,160 2016-11-04 00:53:43 sboot.bin -rwx------ 1 jeremy jeremy 2,199,411,328 2016-11-04 00:53:43 system.img -rw-rw-r-- 1 jeremy jeremy 2,452,910,149 2016-11-07 13:22:28 T800XXU1CPK1_T800ITV1CPI1_HOME.tar.md5
Installing Stock Firmware
# heimdall flash \ --BOOT boot.img \ --SYSTEM system.img \ --RECOVERY recovery.img \ --SBOOT sboot.bin \ --CACHE cache.img \ --HIDDEN hidden.img