Pixel3 – Magisk.apk

https://github.com/topjohnwu/Magisk

select boot.image to make boot_magisk.img

https://github.com/NVISOsecurity/MagiskTrustUserCerts

TWRP-Terminal:
mount -o remount,rw /system (up android 10 occurs error)

TWRP-FileManager:
/system_root/system/security/cacerts_google

Pixel3 – Boot.img

https://developers.google.com/android/images

boot.image path: $/crosshatch-sp1a.210812.016.c2/image-crosshatch-sp1a.210812.016.c2/boot.img 

boot_masick.img path: /sdcard/Download/boot_magisk.img

Pixel3 – TWRP.img

https://twrp.me/google/googlepixel3.html

adb reboot fastboot
fastboot boot twrp.img

adb reboot recovery

twrp: select boot_magisk.img to install 
fastboot: flash boot boot_magisk.img (no testing)

Pixel3 – Telecom -support

*#*#4636#*#*

LTE

中国移动使用的GSM(2G)/TD-SCDMA(3G)/TD-LTE(4G)这3模；

中国联通使用的是GSM(2G)/WCDMA(3G)/TD-LTE(4G)/FDD-LTE(4G)；

中国电信使用的是CDMA1X(2G)/EVDO(3G)/TD-LTE(4G)/FDD-LTE(4G)。对于国内的运营商来说，只要达到7模即可称之为全网通机型。

https://www.189.cn/cq/sy_yw/sy_yw_gwzn/45594.html

Nexus 5 – TWRP

https://sourceforge.net/projects/hammerhead-twrp/

fastboot recover
twrp terminal: hh_repart -m / -r
fastboot gapps 

Nexus 5 – Images

https://sourceforge.net/projects/hammerhead-lineageos/

Nexus 5 -Gapps

open_gapps-arm-11.0-pico: https://sourceforge.net/projects/opengapps/files/arm/

others:

https://opengapps.org/

https://bitgapps.ga/arm/R/

https://sourceforge.net/projects/nikgapps/files/Releases/NikGapps-R/23-Sep-2020/

Nexus 5 -Magisk

https://github.com/topjohnwu/Magisk/releases

/sdcard/Download/magisk_patch*.img

Nexus 5 -Fastboot

Restore Nexus 5 to Stock and Flash Factory Images (Win/ Mac/ Linux)

Nexus 5 -Xpose

http://dl-xda.xposed.info/framework/sdk23/arm/

https://repo.xposed.info/module/de.robv.android.xposed.installer

https://download.lineageos.org/extras

https://wiki.lineageos.org/devices/hammerhead

https://twrp.me/lg/lgnexus5.html

https://dl-xda.xposed.info/framework/

https://desktop.firmware.mobi/device:14/firmware:399

https://developers.google.com/android/images

https://repo.xposed.info/module/de.robv.android.xposed.installer

nexus 5 flash-all.sh

adb reboot fastboot

fastboot flash bootloader bootloader-hammerhead-hhz20h.img
fastboot reboot-bootloader
sleep 5
fastboot flash radio radio-hammerhead-m8974a-2.0.50.2.30.img
fastboot reboot-bootloader
sleep 5

unzip image-hammerhead-m4b30z.zip
cd image-hammerhead-m4b30z

fastboot flash system system.img 
fastboot reboot-bootloader 
sleep 5

fastboot flash userdata userdata.img 
fastboot flash recovery recovery.img 
fastboot flash boot boot.img 
fastboot erase cache 
fastboot flash cache cache.img
fastboot reboot

AutobootScript

https://h4des.org/blog/index.php?/archives/359-Android-LineageOS-16-Execute-Script-on-Start-Up.html