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Samsung Galaxy Tab S5e LTE (samsung-gts4lv)

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Samsung Galaxy Tab S5e LTE (SM-T725)
Samsung Galaxy Tab S5e
Samsung Galaxy Tab S5e
Manufacturer Samsung
Name Galaxy Tab S5e LTE (SM-T725)
Codename samsung-gts4lv
Released 2019
Type tablet
Hardware
Chipset Qualcomm Snapdragon 670 (SDM670)
CPU Octa-core Kryo 360 (2 x 2.0 GHz
6 x 1.7 GHz)
GPU Adreno 615
Display 267.2 mm (10.5 inch), 1600 × 2560 (WQXGA), 287 PPI, Super AMOLED
Storage 64/128 GB
Memory 4/6 GB
Architecture aarch64
Software
Original software
The software and version the device was shipped with.
Android 9
Extended version
The most recent supported version from the manufacturer.
Android 11
Nura
Mainline
Instead of a Linux kernel fork, it is possible to run (Close to) Mainline.
no
Warning WARNING: Installing or attempting to install a modified operating system may permanently trip Samsung Knox Warranty Void. This can permanently disable Knox-dependent functionality, potentially including Samsung Pay and Secure Folder. This has not been specifically verified on this device.

Contributors

Maintainer(s)

Users owning this device

State

Downstream 4.9.337 boots, with image. Mainline linux kernel 7.1 - in progress.

Mainline work

Kernel Cold-boot combinations tested Result
Linux 6.12.3 (sdm670-v6.12.3) GCC builds; multiple DTS variants; EFI and non-EFI; stock/custom/empty DTBO; VBMETA disabled and stock; standard and direct-entry ARM64 images 8 attempts failed; immediate Download mode
Linux 6.12.3 (CONFIG_EFI=n) Stock DTBO, VBMETA disabled, ARM64 image starting with NOP Failed; Download mode
Linux 6.12.3 (CONFIG_EFI=n) Custom AVB-footer DTBO, VBMETA disabled, NOP image Failed; Download mode
Linux 6.12.3 direct-entry (CONFIG_EFI=n) Custom AVB-footer DTBO, VBMETA disabled, ARM64 direct-entry image Failed; Download mode
Linux 7.1.3-r3 (sdm670-v7.1.3) Clang/LLVM build; enhanced LTE DTS; empty DTBO; VBMETA disabled Failed; Download mode
Linux 7.1.3-r3 (CONFIG_EFI=y) qcom,msm-id and qcom,board-id added; empty DTBO Failed; Download mode
Linux 7.1.3-r3 (CONFIG_EFI=y) Fixed second_addr=0xf00000; Samsung cmdline parameters Failed; Download mode
Linux 7.1.3-r3 (CONFIG_EFI=y) Mainline kernel with downstream 374-KB DTB Failed; Download mode
Linux 7.1.3-r3 (CONFIG_EFI=y) Custom AVB-footer DTBO; VBMETA disabled Failed; Download mode
Linux 7.1.3-r3 (CONFIG_EFI=y) Stock DTBO; VBMETA disabled Failed; Download mode
Linux 7.1.3-r3 (CONFIG_EFI=y) Stock DTBO; stock VBMETA verification enabled Failed; Download mode
Linux 7.1.3-r3 (CONFIG_EFI=n) Stock AVB-footer DTBO; VBMETA disabled; NOP image Failed; Download mode

Total: 19 Heimdall cold-boot attempts using Linux 6.12.3 and Linux 7.1.3-r3. Every attempt ended in immediate Samsung Download mode.


Images

UART pins mapped on the back of the SM-T725_720 Mainboard
UART pins mapped on the back of the SM-T725_720 Mainboard (see on the top left)

Notes: HS8 is the main UART of this device, HS0 is secondary UART.