# Revive an outdated C.H.I.P. from factory OS to Debian Buster
## Part 1: Flashing stock C.H.I.P. image

Ready to use Flash environment for the C.H.I.P Single Board Computer
Simplyfies the Flashing Process for the C.H.I.P and PocketC.H.I.P Computer. 

## Instructions
### Part 1: Stock image
1. Remove the C.H.I.P from its case (in case you have a Pocket C.H.I.P).
2. Connect the FEL and a GROUND pin of the C.H.I.P (for example, with a paperclip).
3. Connect the C.H.I.P its micro USB port to a USB port of your Linux machine.
4. In the Linux machine:
    - run ` git clone https://github.com/asophila/Flash-CHIP.git` to clone this repository.
    - `cd` into the location where you stored this repository.
    - run `sudo chmod +x Flash.sh`
    - run `./Flash.sh`
    - Select the version you want to install.
    - Wait until the installation finishes.
    
### Part 2: update and upgrade debian jessie (wich is obsolete and archived)
1. Remove the FEL connection (the paperclip)
2. Unplug 3 seconds
3. Plug the C.H.I.P. again
4. Connect to the chip using `sudo screen /dev/ttyACM0`
5. Use user: chip  and password: chip to connect
6. run `sudo nmtui` to set-up a wifi connection to <YOUR SSID>
7. run `sudo nmcli c` to show your current connections
8. run `sudo nmcli c m <YOUR SSID> connection.autoconnect yes` to set autoconnection to <YOUR SSID> wifi in case of trouble
9. run `sudo su -` to allow all the next changes as superuser
10. run `curl -o https://raw.githubusercontent.com/asophila/Flash-CHIP/master/CHIP-updater/jessie-to-stretch.sh | bash` to update from Debian Jessie to Debian Stretch
    
    
    
  
## Troubleshooting 
### General Issues
1. Kill the Script with ctrl + C 
2. Read the output if something is not installed or Permissions are missing 
3. Just restart the Script (fixes most of the Problem with FEL and Fastboot ) 
4. If this does not help reboot, retry
5. Open an Issue on this Git Repo. 

### The script times out waiting for fel
This error is related to an insufficient amount of power provided by your USB port to the C.H.I.P.  
If you have an external `5V` power supply, you can connect it to the `CHG-IN` pin of your C.H.I.P. to provide sufficient power.    
Alternatively try a different (shorter, or higher quality) USB cable and check if your host PC has USB power saving enabled.  

If this dos not work Install sunxi-tool v1.4.1:
```bash
git clone --branch v1.4.1  https://github.com/linux-sunxi/sunxi-tools.git
cd sunxi-tool/
make install-all install-misc
cd ../
./Flash.sh
```
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