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01 - Prerequisites

Hardware Requirements

Component Minimum Recommended
Phone Any rooted Android 5+ Samsung Galaxy S3 or newer
RAM 1 GB 2 GB
Storage 4 GB free 8 GB+ free
WiFi 802.11 b/g/n 802.11 n/ac
USB Cable Micro USB / USB-C For initial setup

Software Requirements

On the phone:

  • Custom ROM with root access (recommended: LineageOS, Resurrection Remix)
  • Root via Magisk or built-in SuperUser
  • USB Debugging enabled (Settings → Developer Options → USB Debugging)
  • Linux Deploy app installed (GitHub releases)
  • BusyBox app installed (GitHub releases)

On your computer:

  • ADB (Android Debug Bridge) installed
  • SSH client (built-in on macOS/Linux, PuTTY on Windows)

Tested Devices

Device Android ROM Status
Samsung Galaxy S3 (SPH-L710) 7.1.2 Resurrection Remix N v5.8.3 ✅

Getting Root Access

Option A: ROM with built-in root

Many custom ROMs (Resurrection Remix, LineageOS with extras) include root. Check:

adb shell su -c id
# Should show: uid=0(root)

Option B: Magisk

  1. Download Magisk
  2. Flash via custom recovery (TWRP)
  3. Open Magisk Manager → verify root

Option C: adbd insecure (for older ROMs)

Some ROMs allow adb root directly if the build is userdebug or eng.

Verify Everything Works

# Check device connected
adb devices
# Should show: <serial>  device

# Check root
adb root
adb shell id
# Should show: uid=0(root)

# Check available space
adb shell df -h /data
# Need at least 4GB free

# Check internet on phone
adb shell ping -c 3 8.8.8.8
# Should show responses

Next Step

→ 02 - Install Debian