u/lukmly013 💾 (lemmy.sdf.org)

I like computers, trains, space, radio-related everything and a bunch of other tech related stuff. User of GNU+Linux.
I am also dumb and worthless.
My laptop is HP 255 G7 running Manjaro and Linux Mint.
I own RTL-SDRv3 and RSP1 clone.

SDF Unix shell username: user224

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  • 74 Comments
Joined 2Y ago
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Cake day: Jun 17, 2023

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In 2020, Visa, Mastercard and Discover blocked customers from using their cards to make purchases on Pornhub, another big adults-only platform, after a public outcry over alleged child sexual abuse material and other illegal content. This stopped card payments for Pornhub’s paid content and forced it to rely more on ads and sales of user data.

Yep. The idea was to completely block payments to entire OnlyFans it seems.


And just for fun: There’s also Unihertz Tank 3 Pro which additionally has 5G and… A BUILT-IN PROJECTOR, because why not. But it’s also quite a bit more expensive. Of course, more performance for that price too.


That said, I’m a heavy phone user, and I’ve never had a phone that reliably lasts me a full day.

Same. This time I just said “fuck it”, and got a phone with huge battery. I mean, really huge. Lasts me 3 days when kept between ~ 20 - 90%. God knows what that percentage really means though.
It still shows 3.68V at “5%”, and keeps charging long past “100%”, so the way to ensure actual full charge is only with a USB tester. It also has some weird bugs with charging, so I recommend using a regular dumb 5V-only adapter or charge-only cable. In short - repeating split-second overvoltage on QC adapters, and no PC data after charging with original adapter until restart.
I don’t need to charge it during the day, so this is OK enough.

Anyway, most people would probably not want this. The battery is 22,000 mAh. Yes, really. And the phone is also 27.5 mm / 1.08 inch thick and 647g / 1.43lbs heavy. As I said, most people would probably not want this.

For comparison with your Pixel 2, it’s like 3 and a half of them stacked thick, and 4 and a half of them heavy.

Ulefone Armor 24. A cheap bug-ridden experience. However, a unique one.


Look at Samsung Galaxy XCover FieldPro: https://news.samsung.com/us/samsung-introduces-galaxy-xcover-fieldpro-rugged-smartphone-thats-built-tough-field-ready/

It was basically Samsung Galaxy S9 but in a rugged body, targeted for first responders and alike. Highlight:

Powered to last the day. With a replaceable 4500mAh battery and POGO pin charging, running low on charge is never a concern. XCover FieldPro ships with an extra battery and is field replaceable, meaning staff can easily swap out batteries while at work.

MIL-STD-810G, Anti-shock, IP68 Water and Dust Resistance

You can’t really make an excuse for “waterproofing” after making device like this.

I’d really love something like this honestly. Physical navigation buttons and dock charging. Mmmmm. It makes so much sense on rugged phones.
Thanks for the higher sensitivity “glove mode”, but give me buttons as well, damn it!


Maybe once all devices just settle on PD rather than a billion different proprietary protocols for fast charging some of which even require non-standard cables (e.g.: Xiaomi TurboCharge).


Maybe not what you want, but my solution is email notifications with InstAddr

I’ve kind of been using that way more than disposable email at this point. The app notifications always work and get received immediately.

I am not sure how trustworthy it is though. I’ve been using it for years, even for school and work, which is probably not the wisest, but it’s worked for me better than others.


Maybe just routing into that network? But how does it behave for internet connection?


But the connected device won’t use your phone’s VPN connection. It connects directly.


“Use VPN”

Mhm, but not for hotspot, unless you’re rooted or use a custom ROM with such feature. Otherwise best you can do is one of those hotspot apps that uses legacy Wi-Fi direct group and runs a proxy server, but that’s still not as good.

“Change font”

Depends on device. Can’t do that on mine.


Aren’t they encrypted with the phone’s lockscreen password? You very much need that to restore cloud backups. Not that it has much value if you’re a 4 digit PIN person…

Anyway, I can use a search engine:

Some data is further encrypted with your device’s screen lock. Photos and videos stored in Google Photos, and MMS media received from your carrier are not encrypted by your device’s screen lock.

Well, what is some data?

Anyway, I wish for something universal for offline backups. I mean, without root.



something that isn’t an SD card to the /sdcard directory?

Could be.

On my phone (Poco X3 Pro - stock Android 11, MIUI 12) the /sdcard is a symlink pointing to /storage/self/primary which itself is a symlink pointing to /storage/emulated/0, which is /data/media, the user-accessible portion of internal storage.
Though from what I can find it anyway is just emulated FAT filesystem which is actually ext4 under that.

Something about backwards compatibility as the directory used to actually be used for SD cards in the past.


I am talking about some devices using /sdcard to mount internal storage.


But is it an SD card.

I mean, the directory name says so, but…

~ $ realpath /sdcard
/storage/emulated/0
~ $

…it may also not be.


It’s also a bit unstable.

Try to transfer files via MTP instead and then tell me what’s unstable.

Anyway, the most reliable way of file transfer I found so far is KDE connect. Haven’t had that fail yet.


Android doesn’t natively host any remotely-accessable service

What about ADB? It’s disabled by default, but can be used over network as well.



Here’s specs: https://liliputing.com/moondrop-miad-01-smartphone-with-hifi-audio-features-launches-globally-for-399/

Seems nice. I just wish it had removable battery, like phones used to, so I could carry a spare around, like I used to with Sony Ericsson W200i.
Also dedicated dual SIM + MicroSD instead of hybrid.

Just got an idea, the Galaxy Flip has 2 batteries. Small one, and large one. What if there was a small one built-in, and a larger swappable one. You could then hot-swap the batteries like with some ThinkPads (those with internal + external battery).


How can I check this?

I tried loading (new) Reddit homepage, and based on Network tab in Firefox without any prior cache it transferred 19.20MB compressed to 15.29MB.
But that also includes any pictures shown.
Loading lemmy.world homepage transferred 5.88MB compressed down to 1.82MB.
old.reddit.com 2.82MB compressed down to 947kB. Quite a difference.

Just for comparison, loading Eaglercraft 1.5.2, a fully functional Minecraft JavaScript clone, complete with LAN multiplayer support took 8.35MB.

But what exactly is this measuring?


Me. I am basically trying to squeeze the desktop (PC) out of my phone, so there’s a lot of “unnecessary” stuff.

For example, I am currently deciding whether to keep the 110GB of DVD ISO files which I can stream from my phone using VLC (on client side) which are served by nginx server from my phone (this way I still get all menus, just like with a physical DVD) or delete it and replace it with equally sized 110GB EN Wikipedia maxi .zim package, install kiwix-tools on Termux and set up nginx on Termux to serve as revese proxy to kiwix-serve so I could also host a mirror of the whole English Wikipedia, including (downscaled) images on my phone. I guess that sounds cooler than DVDs.
Or I should get a 512GB SD card and keep both.
I can’t afford 1TB one.

But yeah, that’s just one example. My 256GB SD card is about to pop while my video and music collection (The latter of which which is also served using Navidrome server in Termux 🙂. For videos I just use nginx with material fancyindex theme.) keeps growing.
I already have to keep some stuff on phone’s internal storage.

Termux is godsent. Otherwise I’d absolutely have to get a PinePhone as I couldn’t live with something as locked down as Android or even iOS without a nice terminal emulator.
Alternatively, I could benefit from pocket-sized passively cooled laptop.



I wish SD Cards also had some specifications for random access speed.

I used to have a UHS-I SanDisk card which felt much faster than my current UHS-III Samsung card. It’s really evident when searching through the storage, waiting for photo thumbnails to cache, etc…

I am not sure whether to go for a UHS-I SanDisk or UHS-III Samsung next. That SanDisk might not handle higher bitrate 4K.


Same. I should have gotten a 512GB Micro SD. “I could never use that much storage.” Yeah, I could.



Same. I was sure it’s me doing something wrong.
But I don’t even like those larger icons. I want the smaller circles like before.


And? It’s worth the try since it’s available as a Python package.
It seems so far it’s just the preferences windows that’s broken, but I don’t have any experience with GNS3.



Unfortunately, for some reason GNS3 doesn’t work even though it’s a Python pacakge. I can’t open the server configuration due to some error.

But usually things do work.


Why set up termux on your phone when you can just set up ssh server, and then ssh into your phone to set up the rest.


I didn’t try a rooted phone, but thankfully my banking app did work on my phone with custom ROM without SafetyNet.

But they do block some VPNs. I know it temporarily didn’t work with ProtonVPN, though now it does again. They only told me that they allow VPNs which they consider secure, but for security purposes they won’t reveal how those considerations are done.
How would that make it insecure, if they aren’t just using pre-made IP blocklists?
Anyway, that was a painful experience.
Getting it to work after being to connected to VPN required de-activation and re-activation of the app. That’s a fairly painful process since it uses OTP tokens generated by a card reader:

It does have a digital version, but that’s less secure.


If you root your phone, at least with most tools, you don’t become the root user. Apps that use root access have to request it, and you’ll have to allow it in the root tool you flashed.

Example pop-up from SuperSU:


OK, if you want a whole different experience there’s some mobile GNU+Linux distros like Ubuntu touch, Postmarket OS or Mobian.



I have installed custom ROM (PixelExperience) on my Moto G5s Plus. This way I extended its life by 2 years. The stock ROM only went up to Android 8.1 and was very slow and buggy, unlike with Android 7. This way I got Android 11 which was newest at the time. It was also much faster than the flawed 8.1 update.
Additionally, PixelExperience allowed some nice things. It looks like Google Pixel phone, even to Google, so I got free unlimited photo/video backups. This may be against ToS, but it’s not like I said I have a Pixel 5, they decided that I do ¯⁠\_⁠(⁠ツ⁠)_⁠/⁠¯.
Another really great thing is routing Wi-Fi hotspot over VPN. I definitely don’t want someone using my internet connection raw.

Next, root. I have only done that with Samsung Galaxy Ace from 2011. No locked bootloader BS, just flash, Tada! Rooted.
This allowed me to do full backups, including apps on that device.

But there’s countless other uses, most of which I forgot. Some that I can think of that would be useful to me are:

  • Proper firewall
  • Access to Android folder (without using desktop) (removed since Android 11)
  • Full app backups
  • Routing hotspot over VPN
  • Band locking on Qualcomm SoC (possible without root on Exynos and MediaTek)
  • WPS push and WPS pin Wi-Fi connection (insecure) (removed since Android 9)
  • Opening ports <1024
  • Changing screen resolution and aspect ratio (useful for screen mirroring)
  • Removing bloatware
  • Changing Wi-Fi MAC address manually
  • Battery charge limiting (e.g. to 80%)
  • Precise management of app permissions

Every day I am attracted more and more by PinePhone. At least as a secondary device, at first.

Perhaps it’s not even close to polished yet with existing distributions, but at least it isn’t made to be shitty.


Nice. That thing still has the old-style keyboard.


Fun fact: You can put PostmarketOS on Nokia N900 which is from 2009. It should still make it relatively usable, though probably quite slow. It only has 256MB RAM and a single-core 32-bit 600MHz CPU.

I wish N900 had a modern version.





Is there a FOSS app like Printer2Go, PrintHand, PrintShare and Nokoprint? (Large printer support and printing over USB)
These apps have support for huge amount of printers and allow printing over Wi-Fi, Bluetooth, and most importantly, USB. It seems they might be based on some existing project, though. They all have very similar UI, and function the same. Printer2Go and PrintHand don't just have similar UI, but exactly the same UI.
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