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| Fix Bricked SPI Flash, Pinephone Pro |
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Posted by: FR_IV - 06-27-2026, 05:00 PM - Forum: PinePhone Pro Hardware
- No Replies
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Hi!
A couple weeks ago I was trying to write Tow-Boot to my Pinephone Pro's SPI Flash. It worked once, so I know that the SPI device is connected and functional. However, (unrelated to the Tow-Boot install) I messed up the Manjaro-Phosh installation I had previously installed on the Pinephone pro, so I reinstalled Manjaro-Phosh which removed Tow-Boot from the SPI flash. I tried to rewrite Tow-Boot in the same way as before, but it got stuck and I forced the Pinephone Pro to power-off. I then tried to write Tow-Boot again and I got the following error:
Code: Checks failed... [ret = 4]
Nothing was done.
Details:
Error: /dev/mtdblock0 not found
$ dmesg | grep -i spi
---
[ 1.176820] spi-nor spi0.0: unrecognized JEDEC id bytes: ff ff ff ff ff ff
[ 1.184548] spi-nor: probe of spi0.0 failed with error -2
---
I booted the Pinephone Pro to the Manjaro-Phosh installation I put on it and I used fdisk -l and ls /dev/ but I did not find the SPI Flash nor any mtd or mtdblock devices.
I have reinstalled Manjaro to the Pinephone Pro through booting on an SD card and through connecting my Pinephone Pro to my computer as an external drive using the Tow-Boot installer booted on an SD card.
I have tried to write the Tow-Boot.spi.bin binary to the SPI through putting my phone in MaskRom mode and using the rkdeveloptool through the command line on my linux laptop.
I have tried to zero everything out with rkdeveloptool by writing zeros.
I booted the factory android image with the hardware test app on an SD card and the SPI Flash failed its test.
I tried all of these at least twice each and they have all returned no errors, but I still get the same error from the Tow-Boot installer and I still cannot find the SPI Flash device or any mtd or mtdblock devices.
Is there any way to revive the SPI device? Would it require wiring to it directly since nothing has been able to read it?
Thank you in advance!
I should note, that my Pinephone Pro boots to the internal emmc and to SD cards without a problem, so fixing the SPI is not vital to using my pinephone pro, but I don't like to loose available hardware and it would be nice to install Tow-Boot.
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| Big thanks for the documentation! |
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Posted by: alchemist - 06-25-2026, 12:58 PM - Forum: General Discussion on Pinebook Pro
- No Replies
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Hi,
I am a happy and daily Pinebook Pro user since may 2021. The last years, I broke the USB-C port, then the keyboard panel at the left hinge.
I decided to replace the motherboard and keyboard panel, ordered the pieces and received them3 days after.
Then I had some free hours yesterday to fix my loved laptop. And I was really pleased by the well written documentation. I followed the section describing the different steps with very clear illustrations.
And in some minutes, I have a almost new shiny laptop.
Everything was immediately working except wifi and bluetooth, because the chips changed (BCM43456 to BCm43455) the new chip is supported by official linux firnware and same for bluetooth.
Very happy user
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| Pinecil low temp mods? |
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Posted by: davidcoley - 06-21-2026, 02:53 AM - Forum: General Discussion on Pinecil
- No Replies
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Hello,
I'm a complete beginner to this area, but I'm interested in using a Pinecil V2 with wax for jewellery modelling. Before I buy one, I'm wondering whether it's possible to modify it to operate at around 60°C or lower while still maintaining accurate temperature control.
Has anyone tried this, or does anyone have experience using a Pinecil for wax work? I'd be interested to hear your thoughts, recommendations, or any potential limitations before I make a purchase.
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| pmos firewall |
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Posted by: fxkl47BF - 06-20-2026, 08:40 AM - Forum: General Discussion on PinePhone
- No Replies
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i'm just getting pmos set up and looking at wiki.postmarketos.org/wiki/Firewall.
using sudo nft list ruleset shows
tcp dport 24727 accept comment "accept connections for BundID AusweisApp2"
i think i have no use for this
not sure why it's automatically included
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| asterisk or FreePBX on pinephone? |
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Posted by: vanja - 06-16-2026, 09:24 AM - Forum: PinePhone Software
- No Replies
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In theory, could i run some pbx server software on the pinephone, considering it already has sim card slot and modem, could be a low cost solution...
Motivation? Have your local simcard calls available worldwide over vpn...
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Let's get the PPP and Mobian working! |
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Posted by: Rsquared - 06-15-2026, 12:01 AM - Forum: General Discussion of PinePhone Pro
- No Replies
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I'll try to document my experience as best as I can to help others.
If a noob like me can do it then so can you.
What are your thoughts on Mobian? Would you recommend something else?
Aside from the latest nightly, what specific version would you recommend?
Is there a particular phone/cell service you would recommend?
How do I get these parts working:
- Font Camera
- Rear Camera
- eSIM-card
- WiFi WPA3
- Encrypted Filesystem
- GPS
- Ironman Suit
Are there any power and battery management optimizations, tips and tricks?
Are they any Bluetooth, WiFi and Cellular tips you'd recommend for stability or problematic situations?
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