Table of Contents

Android Stuff

Some personal notes on using Android.

Termux Setup

Get Linux environment on Android.

note use the installer from fdroid, play store version does not work

work in progress…

Alternative: using proot-distro

DebianARM Install

also work in progress…

Dumping ground

Dumping this here for now…

vivo.txt
to disable an app (if not available on settings)
* use adb (phone need to enable developer mode - usb debugging)
 
./adb devices
=> make sure NOT unauthorized (allow on phone side)
=> if that persists: disconnect, revoke usb debugging authorizations on android, reconnect
 
./adb shell
 
pm uninstall [-k] [--user 0] <pkg>
 
-k : keep data and cache directories after removal
 
to recover: cmd package install-existing <pkg>
 
google duo: com.google.android.apps.tachyon
google photos: com.google.android.apps.photos
google play movies: com.google.android.videos
google music: com.google.android.music
google browser plugin: com.android.browser
youtube: com.google.android.youtube
 
calendar: com.bbk.calendar
calendar pendants: com.vivo.widget.calendar
 
facebook services: com.facebook.services
facebook app installer: com.facebook.system
facebook app manager: com.facebook.appmanager
 
vivo browser: com.vivo.browser
vivo appstore: com.vivo.appstore
vivo easyshare: com.vivo.easyshare
vivo.com: com.vivo.website
vivo email: com.vivo.email
 
vivo account: com.bbk.account
vivo cloud: com.bbk.cloud
 
imanager: com.iqoo.secure
imusic: com.android.bbkmusic
imusic: com.vivo.dream.music
itheme: com.bbk.theme
 
weather: com.vivo.weather
weather-lite: com.vivo.dream.weather
weather storage: com.vivo.weather.provider
 
vivo ewarranty: com.vivo.ewarranty
 
touchpal packs:
arabic: com.cootek.smartinputv5.language.oem.arabic
assamese: com.cootek.smartinputv5.language.oem.assamese
bengali: com.cootek.smartinputv5.language.oem.bengali
bodo: com.cootek.smartinputv5.language.oem.indianbodo
bopomofo: com.cootek.smartinputv5.language.oem.cht
burmese: com.cootek.smartinputv5.language.oem.burmese
cangjie: com.cootek.smartinputv5.language.oem.cangjie
 
pm uninstall -k --user 0 com.vivo.appstore
pm uninstall -k --user 0 com.vivo.website
pm uninstall -k --user 0 com.vivo.browser
pm uninstall -k --user 0 com.vivo.email
 
pm uninstall -k --user 0 com.bbk.cloud
 
pm uninstall -k --user 0 com.android.bbk.music
 
pm uninstall -k --user 0 com.google.android.apps.tachyon
pm uninstall -k --user 0 com.google.android.apps.photos
pm uninstall -k --user 0 com.google.android.videos
pm uninstall -k --user 0 com.google.android.music
 
pm uninstall -k --user 0 com.google.android.browser
alcatel_pixi4_tablet.txt
usage access issue
 
- install app ops - permission manager (xingchen & rikka)
- will need to install shizuku (xingchen & rikka)
- without root shizuku requires adb bootstart (once running, stays on!)
- enable usb debugging (developer mode)
- (on pc) as root, start adb server (adb start-server)
- adb shell... then type the command shown by shizuku app

Analysis of Android (cheap, china made) disk parition layout

Dumped…

https://spflashtool.com/download/
SP_Flash_Tool-5.1916_Linux.zip

=> ./adb shell

$ cat /proc/mtd
dev:    size   erasesize  name
$ cat /proc/dumchar_info
Part_Name    Size                 StartAddr            Type MapTo
preloader    0x0000000000880000   0x0000000000000000   2    /dev/misc-sd
mbr          0x0000000000080000   0x0000000000000000   2    /dev/block/mmcblk0
ebr1         0x0000000000080000   0x0000000000080000   2    /dev/block/mmcblk0p1
pro_info     0x0000000000300000   0x0000000000100000   2    /dev/block/mmcblk0
nvram        0x0000000000500000   0x0000000000400000   2    /dev/block/mmcblk0
protect_f    0x0000000000a00000   0x0000000000900000   2    /dev/block/mmcblk0p2
protect_s    0x0000000000a00000   0x0000000001300000   2    /dev/block/mmcblk0p3
seccfg       0x0000000000020000   0x0000000001d00000   2    /dev/block/mmcblk0
uboot        0x0000000000060000   0x0000000001d20000   2    /dev/block/mmcblk0
bootimg      0x0000000000600000   0x0000000001d80000   2    /dev/block/mmcblk0
recovery     0x0000000000600000   0x0000000002380000   2    /dev/block/mmcblk0
sec_ro       0x0000000000040000   0x0000000002980000   2    /dev/block/mmcblk0
misc         0x0000000000080000   0x00000000029c0000   2    /dev/block/mmcblk0
logo         0x0000000000300000   0x0000000002a40000   2    /dev/block/mmcblk0
expdb        0x0000000000a00000   0x0000000002d40000   2    /dev/block/mmcblk0
android      0x0000000035200000   0x0000000003740000   2    /dev/block/mmcblk0p4
cache        0x000000000e200000   0x0000000038940000   2    /dev/block/mmcblk0p5
usrdata      0x000000009e360000   0x0000000046b40000   2    /dev/block/mmcblk0p6
bmtpool      0x0000000001500000   0x00000000ff7700a8   2    /dev/block/mmcblk0
Part_Name:Partition name you should open;
Size:size of partition
StartAddr:Start Address of partition;
Type:Type of partition(MTD=1,EMMC=2)
MapTo:actual device you operate

$ getprop ro.build.ab_update
- returns nothing... so, using A-only partition scheme (instead of newer A-B scheme)