if you do not succeed make u-boot
Use at your own risk!
Emergency HowTo: Overwrite boot loader
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Use only in an emergency!
- Switch off the box, then connect to a PC / laptop using a null modem cable (RS232)
- Start HyperTerminal and create a new connection
-> select correct Com interface
-> Bits per second: 115 200
-> Flow control: none
- Then transfer> send file
- choose correct uboot-xxx.bin
- Protocol: Ymodem
- Click send!
> now switch on the box!
- When switching on, keep the [OK] key pressed until [FORC] appears
- then press the left arrow key [<]
- R232 appears on the display
Now the transmission takes place, which should take about 2 minutes.
Under no circumstances switch off prematurely or other maneuvers in this phase!
If you do not have enough experience, you can go to a specialized technician to recharge the flash drive, which is best
read next topic
Advice when using U-boot in spark boxs


Enjoy & Good luck
