Difference between revisions of "Nokia Lumia 620 (nokia-rm846)"

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m (add link for files to flash bootloader)
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| architecture = armv7
 
| architecture = armv7
 
<!-- the following status_* questions should be answered with Y - yes, P - partial, N - no, or left blank (for untested or unknown) -->
 
<!-- the following status_* questions should be answered with Y - yes, P - partial, N - no, or left blank (for untested or unknown) -->
| status_usbnet = <!-- USB networking does work? then put Y here and delete this comment -->
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| status_usbnet = Y <!-- USB networking does work? then put Y here and delete this comment -->
 
| status_flashing = <!-- Flashing with "pmbootstrap flasher" works? Put Y here. It works the same for everything coming below. -->
 
| status_flashing = <!-- Flashing with "pmbootstrap flasher" works? Put Y here. It works the same for everything coming below. -->
 
| status_touch = <!-- Touch screen is working? You can also answer these questions with P for partially. -->
 
| status_touch = <!-- Touch screen is working? You can also answer these questions with P for partially. -->
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| status_sms = <!-- Sending and receiving short messages works as intended. -->
 
| status_sms = <!-- Sending and receiving short messages works as intended. -->
 
| status_calls = <!-- Talking to other people over the cellular network. -->
 
| status_calls = <!-- Talking to other people over the cellular network. -->
| status = kernel compiles, installation not tested yet
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| status = installation tested with the files of nokia lumia 720
| booting = no
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| booting = yes
 
| n-android =  ✔
 
| n-android =  ✔
  
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* Win32 DiskImager [https://sourceforge.net/projects/win32diskimager/]
 
* Win32 DiskImager [https://sourceforge.net/projects/win32diskimager/]
 
* [https://developer.android.com/studio/ ADB & Fastboot] (You do not need the whole Android Studio but the Command Line Tools at the bottom of the page)
 
* [https://developer.android.com/studio/ ADB & Fastboot] (You do not need the whole Android Studio but the Command Line Tools at the bottom of the page)
* [https://onedrive.live.com/?authkey=%21AMnjztSxewIGoSg&id=1674813A0C4DC029%21770390&cid=1674813A0C4DC029 Some files including the rom and iflash]
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* [https://onedrive.live.com/?authkey=%21AFaBmdc2M2LK718&id=8BC1D54354ABF6DC%2114195&cid=8BC1D54354ABF6DC Some files including the rom and iflash-tool]
--updated link https://onedrive.live.com/?authkey=%21AFaBmdc2M2LK718&id=8BC1D54354ABF6DC%2114195&cid=8BC1D54354ABF6DC
 
  
 
=== Backup Data ===
 
=== Backup Data ===

Revision as of 05:39, 15 February 2020

Nokia Lumia 620
The Nokia Lumia 620 powered off.
The Nokia Lumia 620 powered off.
Manufacturer Nokia
Name Lumia 620
Codename nokia-rm846
Released 2013
Original software Windows Phone 8
Hardware
Chipset Qualcomm MSM8227
CPU Qualcomm SNapdragon S4 Plus Dual Core 1.0 GHz
GPU Adreno 305
Display 480x800 LCD_TFT
Storage 8GB
Memory 512MB
Architecture armv7
Non-Android based device
Features
USB Networking
Works
Flashing
Touchscreen
Display
WiFi
Xwayland
FDE
Mainline
Battery
3D Acceleration
Accelerometer
Audio
Bluetooth
Camera
GPS
Mobile data
SMS
Calls
USB OTG



Contributors

Maintainer(s)

Users owning this device


Button Shortcuts

  • Hold Power + Volume down to force the phone to reboot
  • Hold Volume down and connect it to the PC to boot it into fastboot mode
  • Hold Volume Up and connect it to the PC to boot into the recovery system

Installation of Android

For now, it is necessary to first install Android on the device to use fastboot as flash tool.

Tools

You will need some tools for Installation:

Backup Data

Postmarketos is not ready to use as a daily driver yet. So use a phone you do not need for the development. If you have some data on it, back it up now.

Clean Firmware Install

Use the Windows Device Recovery Tool to install clean Firmware. This is to avoid errors and to gain the FFU-image.

Check you Storage

Open WPInternals with your phone connected to your Windows PC. Reboot it into flash mode, to get more information. There it says, from which manufacturer your storage is. If it is from Samsung, it can cause a brick of your phone. If not, you are good to go.

Unlock the bootloader

Now use WPInternals to unlock your bootloader. You will need an FFU-image for that. Use the Download page of WPInternals to download it.

Afterward, you need the Emergency Loaders. You can also download the needed files with the Download page.

Then you need the Engineering SBL3 files, which can be found here Now unlock the bootloader.

Connect your phone in mass storage mode

Use WindowsPhoneInternals to switch to the mass storage mode. It could be that you have to give the device a drive letter.

Backup your phone

Use the WindiskImager to Backup your phone (the MainOS Partition). Therefore select the Device, select a folder for your Backup and give it a name. Afterward, switch to Normal Mode again by holding down the volume down and power key together for 10 seconds.

Flash the LittleKernel Bootloader

To boot to Android you need to flash the LittleKernel of Android4Lumia. Therefore use the iflash tool.

Install the CustomROM

At the end of the process the device boots into the TWRP-recovery. Wipe all partitions to avoid errors. Afterward install the LineagesOS with ADB-Sideload. In TWRP got to Home > Advanced > sideload. Then use:

$ adb sideload <LineageOS.zip>

Replace <LineageOS.zip with a path to the downloaded LineageOS-file.

Troubleshooting

If your device stays black but is connected as QSUSB_DLOAD, use the WindowsDeviceRecoveryTool to make a clean firmware install.

See also