EA8500 flash from webUi

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yousaf465
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PostPosted: Sun Aug 29, 2021 7:52    Post subject: EA8500 flash from webUi Reply with quote
How can I flash from WebUI EA8500 international version? This is the back of the EA8500. I think it is the french version. The link mentioned in the wiki requires decryption key https://mega.nz/folder/8ORwGQ4I/file/VCRinAKS

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mrjcd
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PostPosted: Sun Aug 29, 2021 9:05    Post subject: Reply with quote
If your EA8500 has stock firmware later than what theses release notes say (North America or European models)
YOU WILL have to use a serial connection to install any 3rd party firmware Razz

Firmware Release Notes wrote:

Linksys

Product: Linksys EA8500
Classification: Firmware Release Notes

===========================================================================

IMPORTANT:
- DO NOT power down the router during the firmware upgrade process.


---------------------------------------------------------------------------
Firmware version: 1.1.4.173728
Release date: Jul 1, 2016

- Updated based on the latest requirements of FCC 15-407

---------------------------------------------------------------------------

|
|
---------------------------------------------------------------------------
Firmware version: 1.1.7.182977
Release date: Aug 9, 2017

- Update for compliance of the latest CE requirements (European models)
- Addressed IOActive security issues
- Additional security fixes and enhancements
- Resolved issue of DHCP reservation feature not working properly if user changes local
network configuration
- Resolved issue of toggling Wi-Fi disable/enable button may disable guest network
- Resolved issue of DMZ feature not working properly
- Resolved issue of PPPoE detection overriding DHCP detection in a dual server environment
on WAN even though DHCP is first detected
- Resolved issue of IPv6 incompatibility when prefix is not 64-bit
- Resolved issue of not being able to display IPv6 prefix address in status report if the
prefix is not 64-bit
- Resolved issue of Linksys Smart Wi-Fi and NTP not working with Universal Telecom in Sweden
- Resolved issue of IPv6 firewall blocking inbound, unsolicited IPsec traffic (IKE and ESP)
- Addressed an issue of notification function of the product
- Various minor bug fixes and enhancements

---------------------------------------------------------------------------
yousaf465
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PostPosted: Sun Aug 29, 2021 10:45    Post subject: Reply with quote
So I have to follow the master's advice. I have this USB-to TTL, 3.3V 5V USB TO TTL CONVERTER CH340G UART SERIAL ADAPTER MODULE STC. Is it good enough for flashing EA8500? https://theicshop.pk/detail/74/3.3v-5v-usb-to-ttl-converter-ch340g-uart-serial-adapter-module-stc.html
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kernel-panic69
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PostPosted: Sun Aug 29, 2021 11:33    Post subject: Reply with quote
@mrjcd: You should probably snag that file from here for your EA8500 repo of information. @yousaf465: you should be able to get that file from the following location. I do not know who's mega.nz link that is, but that definitely needs to be fixed. Google is your friend Twisted Evil Cool

http://holeinthewall4u.com/advanced_router_maintenance/gakinaction.ddns.net_big_folders/Kong%20PTB/K3-AC-IPQ806X/

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mrjcd
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PostPosted: Sun Aug 29, 2021 15:37    Post subject: Reply with quote
kernel-panic69 wrote:
@mrjcd: You should probably snag that file...

nah ...I don't have a European EA8500 so cannot confirm any such files work.
I generally never have anything on website about the EA8500 unless I have done it myself Wink
AND
BrainSlayer 'factory-to-ddwrt.img' have worked for a while now so they should be fine to use.
blkt
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PostPosted: Mon Aug 30, 2021 1:29    Post subject: Reply with quote
I recommend FTDI FT232RL or Silabs CP2102 chips for USB to TTL Serial. PL2303 is okay. No idea for CH340G.

https://theicshop.pk/detail/73/cp2102-6pin-module-usb-2.0-to-ttl-module-serial-converter.html

https://theicshop.pk/detail/75/usb-ttl-converter-tutorial-%7C-pc-control-for-pic-microcontrollers-pl2303.html
yousaf465
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PostPosted: Mon Aug 30, 2021 12:37    Post subject: Reply with quote
blkt wrote:
I recommend FTDI FT232RL or Silabs CP2102 chips for USB to TTL Serial. PL2303 is okay. No idea for CH340G.

https://theicshop.pk/detail/73/cp2102-6pin-module-usb-2.0-to-ttl-module-serial-converter.html

https://theicshop.pk/detail/75/usb-ttl-converter-tutorial-%7C-pc-control-for-pic-microcontrollers-pl2303.html

So I have to order again. Confused Rs180 for CP2102 and Rs200 for the shipping. I already have male to female jumper cables and header strip, bought those for a ESP project. Only If I had known I could.

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yousaf465
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PostPosted: Mon Aug 30, 2021 12:40    Post subject: Reply with quote
mrjcd wrote:
kernel-panic69 wrote:
@mrjcd: You should probably snag that file...

nah ...I don't have a European EA8500 so cannot confirm any such files work.
I generally never have anything on website about the EA8500 unless I have done it myself Wink
AND
BrainSlayer 'factory-to-ddwrt.img' have worked for a while now so they should be fine to use.


@mrjcd, for European model I have to flash BrainSlayer's factory-to-ddwrt.img with serial. Are there any videos on how to crack open the router. I don't want to break anything.

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egc
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PostPosted: Mon Aug 30, 2021 13:00    Post subject: Reply with quote
I cannot recall having seen a video but perhaps there is.
It was not very difficult to open up the case (NetGear R6400 and R7800 was much harder)

I did not need it for flashing DDWRT I had an older European model and could flash via the GUI.

I also have serial headers and my serial adapter is attached because this is a devlopment router and I bricked it a few times fortunately it is a easily recoverable via serial

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yousaf465
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PostPosted: Mon Aug 30, 2021 14:21    Post subject: Reply with quote
egc wrote:
I cannot recall having seen a video but perhaps there is.
It was not very difficult to open up the case (NetGear R6400 and R7800 was much harder)

I did not need it for flashing DDWRT I had an older European model and could flash via the GUI.

I also have serial headers and my serial adapter is attached because this is a devlopment router and I bricked it a few times fortunately it is a easily recoverable via serial

How can I check how old it is from pictures only? any specific serial or barcode to read? I don't want to open and solder connection bcz my soldering skills are next to none.
I have attached the photo seller sent me in first post.

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egc
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PostPosted: Mon Aug 30, 2021 14:25    Post subject: Reply with quote
Just try to flash it (you need the .img for first flash) but look in the wiki: https://wiki.dd-wrt.com/wiki/index.php/Linksys_EA8500)
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blkt
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PostPosted: Mon Aug 30, 2021 22:35    Post subject: Reply with quote
yousaf465 wrote:
So I have to order again. Confused Rs180 for CP2102 and Rs200 for the shipping.
Maybe not, I have no experience with Chinese CH340G; if driver and feature support is okay then ignore me.

The router may already have pinout installed from the factory if you are lucky, and is visible without opening.
I used guitar picks and a tiny flathead screwdriver, or pry tool, to pop case open around little plastic tab clips.

See the lower right for header pins also pcb revision. https://www.s-config.com/linksys-e8500-dd-wrt-router/
lexridge
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PostPosted: Tue Aug 31, 2021 11:54    Post subject: Reply with quote
To date, I have flashed three of these routers via serial, using an adaptor which uses the Prolific pl2303 chipset. Never once had any problems with it.

Also, two of the three did not have the serial headers on the board. I just pushed a header through the holes, without soldering it, and it worked just fine. Probably need to put a little pressure on it to ensure a good connection, but I was surprised that it worked, and worked well, and two separate EA850s.

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Linksys EA8500 (Internet Gateway, AP/VAP) - DD-WRT r53562
Features in use: WDS-AP, Multiple VLANs, Samba, WireGuard, Entware: mqtt, mlocate

Netgear R7800 (WDS-AP, WAP, VAP) - DD-WRT r53562
Features in use: multiple VLANs over single trunk port

Linksys EA8500 WDS Station x2 - DD-WRT r53562

Netgear R6400v2 WAP, VAP 2.4ghz only w/VLANs over single trunk port.

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yousaf465
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Posts: 380

PostPosted: Sat Sep 25, 2021 6:18    Post subject: Reply with quote
blkt wrote:
yousaf465 wrote:
So I have to order again. Confused Rs180 for CP2102 and Rs200 for the shipping.
Maybe not, I have no experience with Chinese CH340G; if driver and feature support is okay then ignore me.

The router may already have pinout installed from the factory if you are lucky, and is visible without opening.
I used guitar picks and a tiny flathead screwdriver, or pry tool, to pop case open around little plastic tab clips.

See the lower right for header pins also pcb revision. https://www.s-config.com/linksys-e8500-dd-wrt-router/

does this router has it's header already on

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blkt
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PostPosted: Sun Sep 26, 2021 8:00    Post subject: Reply with quote
The serial header is installed and the region appears US or Canada, from the router's bottom label or sticker.

Which firmware version is installed on each partition? There is an option in troublshooting to restore previous.

http://192.168.1.1/sysinfo.cgi This might provide helpful info before or after restore (switching boot partition).
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