📱 HARDENED TESTBED // QUALCOMM MSM8974AC
TelcoSec OS for Samsung Galaxy S5 ('klte')
Turn the legendary Qualcomm Snapdragon 801 / MDM9625 platform (SM-G900F/M/W8) into a dedicated cellular protocol analyzer, IMSI-catcher intrusion detector, and baseband Layer-3 forensic workstation.
MODEM ACCESS
Unlocked /dev/diag Interface
Direct raw QXDM baseband diagnostic protocol stream without Qualcomm carrier locks. Stream Layer-3 RRC/NAS signaling directly to Wireshark or SCAT via USB.
KERNEL HARDENING
Hardened Linux 3.4 Kernel
Enforced SELinux targeted policies, kernel-level A5/0 downgrade rejection shield, baseband shared memory isolation, and disabled modem crash logs.
RED TEAM TOOLCHAIN
Pre-Loaded Diagnostic Suite
Pre-installed with TelcoSec Guard, SIM Vault, RadioScan, QCSuper, SCAT, and tcpdump native binaries for zero-setup cellular audit missions.
Installation & Flashing Guide
Follow the steps below to flash TelcoSec OS on any Qualcomm-based Samsung Galaxy S5 handset:
# 1. Boot handset into Download Mode (Vol Down + Home + Power)
# 2. Boot into TWRP Recovery (Vol Up + Home + Power)
# 3. Wipe System, Data, Cache, Dalvik Cache
# 4. Sideload the signed TelcoSec OS build
# 5. Reboot System & Launch Baseband Diagnostic Engine
heimdall flash --RECOVERY twrp-3.7.0-klte.img --no-reboot# 2. Boot into TWRP Recovery (Vol Up + Home + Power)
# 3. Wipe System, Data, Cache, Dalvik Cache
# 4. Sideload the signed TelcoSec OS build
adb sideload TelcoSecOS-klte-v2.4-Hardened.zip# 5. Reboot System & Launch Baseband Diagnostic Engine
SHA-256 Digest:
9f8e7d6c5b4a3f2e1d0c9b8a7f6e5d4c3b2a1f0e9d8c7b6a5f4e3d2c1b0a9f8e