The Cisco E2500 firmware was flashed incorrectly, and it would not turn on when it was bricked5

Go to the official website of Cisco** for the firmware of the corresponding model, and flash it with a TTL cable. TFTP and SecureCRT. You can search for specific usage methods. Mine is also flashing other firmware always prompts package error. Only by flashing the original firmware can it be done.

To add. Press and hold the reset button and don't let go of the machine, the wired port light flashes (the computer network port also flashes), and the ping does not respond. TFTP can't be transmitted.

A single row of 5 holes, there are two groups of such interfaces on the board, it seems that both can be used, I use the vertical group in the figure, there is a pin 1 on it, and the others are numbered by themselves in order, and the three lines are rxd-2, txd-3, gnd-5.

Actually, I don't need to solder it, I just plug the wire into the hole.

1. Generally, you can try to use a variety of the same and different flashing software to flash the firmware again.

2. Sometimes there will be a phenomenon of fake bricks, you can try the grid machine.

3. Don't panic when you really can't solve it. Most mobile phone repair shops can provide professional flashing tools for flashing services, and the fee is generally only tens of yuan, which can solve the problem of bricking. It's also okay when the phone is still in warranty.

Try to send it to customer service to brush, but it can't be said to be caused by flashing, otherwise it will be regarded as a human failure. If you can't brush it for free, then it's better to send it to the repair shop, the customer service charge is very expensive, and the repair shop does not have a big gap in technology, as long as you are careful to see that the battery has not been adjusted.

You can change the flashing bag to try, remember to double clean before flashing. If you really can't brush it and can't turn it on, you can consider line swiping or card swiping the official firmware to save bricks.

You're a system crash.,Generally, it's not good to go to the mobile phone store to brush the machine.,It's best to go to the after-sales service to brush you.,It's good for you to get it soon.。

In order to understand and solve the abnormal problems that occur after flashing the phone, Samsung mobile phone recommends sending the mobile phone to the nearest service center for testing, and the service center will determine the specific problem of the mobile phone according to the test results and further processing.

Note: Due to the risks of flashing, the official website does not provide flashing software, and it is recommended not to flash the machine by yourself. If there is a problem after flashing, do not operate it by yourself to avoid the problem from expanding.

Bricking is the failure of the mobile phone firmware system refresh, re-flash the correct firmware on it, because you can't operate the phone, re-brush the firmware can only be brushed by the method of line brushing, the general mobile phone can find the line brush firmware and flash package on the Internet, in addition, you can also try the line brush treasure, flash master, Qitu brush machine and other software flash software.