I'm not so familiar with BraiinsOS logs but would you mind to post both kernel and system logs?
We can't determine the issue or else put it back to stock firmware so that we can troubleshoot the unit furthermore.

Have you tried auto-tuning?

They still do offer cloud mining if you have the Binance app you can find it under earn> pool> then cloud mining.

But I already tried to calculate it and it's unprofitable due to their Electricity cost. So it's not worth investing unless after 3 months we see the price of Bitcoin increase in value by more than 100%.

That's a pretty bad habit why did you flash it with Bitmain firmware? If you don't experience any issues with your unit don't flash it or only flash it with stock firmware unless you are trying to use other firmware to mine BTC?

Most of the Bitmain firmware is SSH and Signature locked you can't just flash it again with different firmware because it's locked there is no way to remove this but you can maybe have a chance if this F1 mini has some pinouts TX, RX, and GND then use supported tools to be able to flash it through these pinouts.
You better check the board for the exact model and try to search it on Google to find the service manual and tools that support it.

It would be safer if you would create a new wallet on Electrum and sweep all keys from the trustwallet to transfer your funds because as others said above trustwallet is a closed source we can't guarantee the safety of your wallet if it was generated from a closed source wallet.

Another reason is that you can generate your wallet on Electrum offline/cold storage while sweeping the trustwallet into an online Electrum(another device with an imported public master key). You may need to use the iancoleman BIP39 tool to get the public master key.
This would be the best option to make sure your wallet is safe.

Any flux should work and about the soldering lead, it is also fine.

I can't help you furthermore due to less support for this model unit.
There is nothing we can do but to contact a professional ASIC repair technician that you can find somewhere near your area.

You can check this https://www.zeusbtc.com/ASIC-Miner-Repair/
Then look for a repair center near your location.

If you found some Electrum folder but no files inside there is a big possibility that it was hidden intentionally by your father if you are using Windows OS when accessing these folders I suggest try to uncheck hidden files, folders, and drive you can find it on control panel> folder options> advanced settings.


That issue is fixable even it's the click of death but all platters are fine then you can move the platter to a new host but this is not easy because you will also need to move the BIOS of the HDD controller to the new host.

According to your logs the control board seems can't detect all hashboards properly.

Have you ever tried to change the pool instead of using miningrigrentals?
You can try https://solo.ckpool.org/ or ViaBTC pool just to test and maybe the issue is due to the pool you are using.

What do you mean? What exactly did happen? Can you add more about your issue?

Do you mean that you buy BTC on Forex but you can't able to withdraw because it's just a watch-only wallet just like on PayPal where you can buy BTC but can't able to transfer or withdraw?

I think this is not the right section for this thread it should be in beginners and help section.

It looks like a cheetah s5, not the Antminer, and based on my old post it's a Zhongtian s5 miner. I can't find support for this unit here or a website out there.
There is someone here who shares the firmware for Aisen A1 and maybe this one will work here's the post below

- https://bitcointalk.org/index.php?topic=5206886.msg54490620#msg54490620

If this doesn't work try to contact Zeusbtc and maybe they do have firmware of this unit the only problem is they don't give it for free

Are you talking about Compact F USB miner?
I think you don't need to flash this miner with firmware if it does not recognize it might be a driver issue.

I heard that it needs zadig generic WinUSB driver to make this USB miner visible.
You can find this driver under this thread below

- https://bitcointalk.org/index.php?topic=1764803.0

There are still some exchanges that don't require KYC not only the list of kycnot.me but there are still other exchanges that don't have KYC like coinex.com exchange I used this exchange since before but the only problem is they only have a $10k withdrawal limit but still it is good if you are a small trader and Coinex is own by ViaBTC which is a well-known pool that provides free transaction accelerator.

I think he is talking about how the transaction processing or how it is processed.

There is a simple way to explain this with an image and you should understand how Bitcoin transaction works from sending BTC to mempool then to the receiver.


Source: https://medium.com/coinmonks/bitcoin-mempool-simply-explained-7f76be235e85

3 × 2.0 mm² of 20 A that you mention is the recommended one if you use below on the recommended it would cause overloaded that can melt wires. Even on Antminer units, you should use the higher gauge to avoid this issue.
Another thing is it's just a size you need to look for 13AWG or above.

Unless even you use a higher gauge cord and the cord still melts and burns there's another reason why it burns/melts like shorted PSU or loose connection that can cause the wire to heat up.

If you also have the list of public of your wallet then you can paste it on this tool below to check all balances of these addresses.

- https://bitcoindata.science/bitcoin-balance-check.html

Or you can follow this one "Bitcoin address mass balance checker [Tutorial and code]"

I have never seen S5 units that looks t15/s15 as mentioned above.

Did you flash this unit with S5 firmware? if you did then this might be the reason why plugs/sockets are burnt.

If I were you check the control board of this unit and post the image here so that we know the exact model of this unit and to find the right firmware for this model.

I'm not expert to know what coin is used on the wallet.dat file but maybe this topic below will help you to know or get an idea what coin is your wallet.dat file.

- unknown wallet.dat format
There is someone mentioned Walletlib might help to figure out which altcoin is your wallet.dat.

Do you have the original file of this default_wallet file because if you don't have a backup copy of this wallet file sometimes it becomes corrupted if you tried to open the old version of the wallet file to the latest version of Electrum?

Make sure that you have a backup first before trying to recover and import it to Electrum. Or else It would end up corrupted to the point where there's no way to recover it.

Based on the error it seems Electrum is trying to decode the wallet but failed.
Would you mind completing the error and post it again here I would like to try to search it on Google if there is someone who has a similar issue.

If the wallet.dat file is not recognized with Bitcoin core possible the wallet.dat file you are trying to make work on Bitcoin core is not actually generated from this wallet.
There is a big possibility it was generated from other altcoins.

Are you sure that the wallet.dat is Bitcoin or maybe you don't remember that you have an altcoin wallet.dat file?

I only know 3 of them Binance, Nicehash, and miningrigrentals are currently trusted sites who offer renting hashrate/Cloud mining.

Other sites are most likely scams and even they are trusted all sites that I mention above it is still risky to invest and rent some hash rate compared to buying your own miner.

Based on the error "1 configure slave: 70 data 1 falied No such device or address" it seems all hashboard is not detected properly.

Do you mind to try to disconnect all wires and replug them back and check all sockets and plugs are all clean. Also check the fans if both of them running fine.

I notice that the image that you posted above is different. I thought that it was an Antminer s5.
It looks like a Chinese version of the s5 miner?


Next time make sure to put all logs inside the insert code tag because your post above looks messy.