STC U8W-Mini it's no longer working

Kr***

hi Everyone, I'm a new student.


I am working with U8W-Mini. But it's not working, it used to work before.


I have installed the driver.


Device Manager:



Only 2 LED lights that are on:



Settings:



Everything I do, it will always Fail:



I have tried pressing Key 2 multiple time.
I have tried pressing and Holding Key 1 -> Pres Key 2 -> Release Key 2 -> Release Key 1. Still not working.


Can anyone help to explain what I should do?
Thank you.


p.s.
I only have u8w-mini.

STC***

Please add my WeChat：18106296594.Below is the STC USB-Link1D，the latest and most powerful tools

8051***

Can you speak Chinese?
We have an instruction manual。 You need to update the U8W-MINI, you can refer to it here：

Kr***

8051启蒙者 发表于 2023-2-17 08:57
Can you speak Chinese?
We have an instruction manual。 You need to update the U8W-MINI, you can refe ...

I can understand a little.

I can't write and read fluently.

Thank you I will look in to the file. I'll ask again If I'm still stuck.

Kr***

8051启蒙者 发表于 2023-2-17 08:57
Can you speak Chinese?
We have an instruction manual。 You need to update the U8W-MINI, you can refe ...

at this step, I cannot continue.
download failed



I continued to next chapter:



How can I know my firmware is v1.37?


I assumed my firmware is v1.37, and tried Press and hold Key 1, Press and hold key 2, release key 2, release key 1.
nothing happen.
how long do I keep pressing the button. until what happen should I stop pressing the button?

I tried double clicking Key 2. but nothing happen either.

you can answer in Chinese.

8051***

如果点了第③步之后没有出现升级成功的提示，你可以按一下U8W-Mini上的Key2键试一下，看有没有升级成功的提示。

Kr***

8051启蒙者 发表于 2023-2-17 13:11
如果点了第③步之后没有出现升级成功的提示，你可以按一下U8W-Mini上的Key2键试一下，看有没有升级成功的 ...

nothing. not even an LED blink, download failed again.

I tried press and hold, double clicking, just 1 click. none works.

How do I Know if my device is no longer working/broken?

Kr***

is the MCU Type (on top left) matter?

8051***

Kris 发表于 2023-2-17 13:54
nothing. not even an LED blink, download failed again.

I tried press and hold, double clicking, j ...

如果升级时按key2也没有任何显示的话，这个U8W-MINI工具很有可能是坏了。你可以联系海外负责人沈小姐重新安排一套新的工具。沈小姐QQ：2269694595  微信：18106296594

Kr***

Well.. that's not good..

it will take awhile to get it shipped again.

Which one is better,  USB-Link1D or Mini??