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Samsung Galaxy S4 (samsung-jflte): Difference between revisions

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Add photo of LibreOffice working with XFCE4 and on screen keyboard
Add wifi instructions (stolen from the Z2 page, but instructions are the same)
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# ./pmbootstrap.py flasher flash_kernel
# ./pmbootstrap.py flasher flash_kernel
# ./pmbootstrap.py flasher flash_system</nowiki>
# ./pmbootstrap.py flasher flash_system</nowiki>
== Wifi ==
Once the device has been successfully initialized, enable it:
<pre>$ sudo ip link set wlan0 up</pre>
Configure wpa_supplicant (only necessary on encrypted networks):
<pre>$ sudo su -
# wpa_passphrase $YOUR_SSID &gt; /etc/wpa_supplicant/wlan0.conf
&lt;enter passphrase here and press Enter&gt;
# exit</pre>
Connect to network using wpa_supplicant:
<pre>$ sudo wpa_supplicant -i wlan0 -c /etc/wpa_supplicant/wlan0.conf </pre>
If your network uses DHCP, start the DHCP client:
<pre>$ sudo udhcpc -i wlan0</pre>


== Photos ==
== Photos ==

Revision as of 20:53, 6 January 2018

Samsung S4 International
S4 international
S4 international
Manufacturer Samsung
Name S4 International
Codename i9505
Released 2013
Hardware
Chipset Qualcomm APQ8064T Snapdragon 600
CPU Quad-core 1.9 GHz Krait 300
GPU Adreno 320
Display 1920x1080 AMOLED
Storage Internal storage and external micro SD
Memory 2G ram
Software
Original software Android 4.2.2 (Jelly Bean)
postmarketOS
Category testing
Pre-built images no
Mainline no
Features
Flashing
No data
USB Networking
No data
Internal storage
No data
SD card
No data
Battery
No data
Screen
No data
Touchscreen
No data
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

  • i9505_someone (rrooij on GitHub)

Maintainer(s)

What works

  • Compiling the latest lineageos kernel with some patches applied
  • Booting a graphical screen when installing PostmarketOS as recovery zip in TWRP.
  • Network connection via USB and SSH access
  • Screen works
  • Brightness can be changed by echoing a value to /sys/class/backlight/panel/device/backlight as root
  • Wifi with properietary blobs
  • Touch screen
  • Wayland
  • X11
  • Keyboard and mouse with USB OTG adapter

What does not work

  • Touch screen requires a reboot to work in some rare cases
  • 3D acceleration
  • Wayland default on screen keyboard
  • Initramfs password entry for full disk encryption

How to enter flash mode

Press volume down + the power button to enter Download Mode. It is now possible to use Heimdall for flashing.

Installation

  1. git clone git@github.com:postmarketOS/pmbootstrap.git && cd pmbootstrap
  2. ./pmbootstrap.py init
  3. ./pmbootstrap.py install --no-fde
  4. Put your S4 in Download Mode (Volume Down + Power) and connect it with USB
  5. ./pmbootstrap.py flasher flash_kernel
  6. ./pmbootstrap.py flasher flash_system</nowiki>

Wifi

Once the device has been successfully initialized, enable it:

$ sudo ip link set wlan0 up

Configure wpa_supplicant (only necessary on encrypted networks):

$ sudo su -
# wpa_passphrase $YOUR_SSID > /etc/wpa_supplicant/wlan0.conf
<enter passphrase here and press Enter>
# exit

Connect to network using wpa_supplicant:

$ sudo wpa_supplicant -i wlan0 -c /etc/wpa_supplicant/wlan0.conf 

If your network uses DHCP, start the DHCP client:

$ sudo udhcpc -i wlan0

Photos

Links