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798 ci hd si problem - update failure

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navionic:
You don't have a problem with software. Change  device Humminbird service. Most likely it will be Helix
Attention!
The USB cable never worked for me.
《I ended up making a serial cable by following AS-PC2 pin-out that I found on this forum and an USB-serial adaptor.

It got a bit interesting there for a moment when my new USB-Serial adaptor decided to quit mid-update resulted in a bricked unit.

For a moment I thought I had to send the unit back for repair but after some thought I decided to get another USb-Serial adaptor from Bestbuy and it worked immediately after the second try.》
Better to find an old computer with COM port.
This is the last hope.Use

Beaulieu80:

--- Quote from: clovisgtl on February 25, 2018, 01:34:50 PM ---Nothing ok with my unit 798 CI HD SI.

First, when start, all I see was a message "initialising". After this a white screen. And freeze. No action. Need to cut off power.
Then looked for solutions on Humminbird page and in tihs forum.
Decided to update firmware, based on posts.

Then I download update firmware 7.680 on official site.
Start uint pressing "VIEW" button. Showed screen with text:
MATRIX SERIES BOOT
VERSION
4.540 OCT 15 2010

 and a menu... option.
Turn Off unit.
Then I inserted SD CARD with firmware file.
Turn ON pressing VIEW button.

Chosed option 8. DOWNLOAD TO RAM
Unit begin work with a message: "DOWNLOADING"
After a time appeared this ERROR MESSAGE: "FAILURE"

Tried others times, result is always this.

What is wrong?

--- End quote ---

I have international firmwares in hands if you need them, see my attach image

clovisgtl:
I made an personal kit to connect unit, by RS232 and USB.
It was ok and fully functional.

But update procces never ends without error.
Always abort with error message.

 >:( :( ??? :-[

My unit now is like a brick.

The cost to send to US is not effective.

A new unit, like Dragonfly 4 PRO, with WIFI and others new features is about U$ 285.00 +  shipping

The service cost is U$ 240.00 + shipping X 2 (brazil to US and US to Brazil)

Simple: is much more cost than new and best unit.

I will give up it.

navionic:
Any device breaks. You are guided by emotions, not common sense. This is your choice. Good luck.

clovisgtl:
Not emotions.
Just by cost/benefits.

I consider that HB's policy is unreasonable. At least to foreign citizen, like me.

To solve the problem just need informations. but HB prefers to hide the solution.

Closed system, is not a good idea, specially in this condition.
I think I will post on youtube a video with the unit being destroyed by hammer, because have too high cost to send it for repair.

Sometimes policy is a strong factor to seller. In others it drives consumers away.

Garmin have much better policy and official support in Brazil.
But the choice based on cost/benefits is Raymarine Dragonlfy PRO series, with WIFI, that can be used in Android app, with navionics boating.

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