[maemo-users] Failure Rate of 770s update. now 17%

From: Sebi Ryffel s.ryffel at gmail.com
Date: Wed Mar 14 10:01:28 EET 2007
My N800 failed after 4 weeks only. Before that I had all kinds of problems
including random reboots, infinite rebooting after the nokia screen and
crashes. And finally the unit died.

I don't find that to be very tragic. I bought devices before, which turned
out to be broken. But they usually were replaced immediately. My N800
however is now in repair service for 5 weeks! They are "waiting for parts"
and have no idea how much longer it will take. This I find to be
unacceptable and a strong reason not to buy a product from nokia again.

What did you do with your broken units?


On 3/13/07, Simon Moore <simon.moore at ndirect.co.uk> wrote:
>  *Current failure rate within the first three months of purchase is 17.2%(sample size 29, 5 failed)
> *We have tested a seven more devices since my last email that have been at
> a site for 3 months (including flashing them to latest version, enabling
> host mode and flashing a custom kernel), all worked fine and we have one
> more failure at another site (version 2, no host mode or custom kernel).
> Of the failures 4 are the classic screen failure reported by many and 1
> was dead out of the box (continuous reboot).
> We only have one 800 which is still working fine.
> I have started logging serial numbers to see if there is a higher incident
> of failure with certain ones. 3 of the failures have nearly identical serial
> numbers (last digit is different), two with similar numbers last number
> different are still operational.  The other two failed units I don't have
> the serial numbers of.  Leading me to the suspicion that batches of 770s may
> be faulty - assuming 770s in the same batch have very close serial numbers
> of course not enough data to be conclusive.
> I would give out the serial numbers of the ones that have failed but Nokia
> are using the serial numbers as a sort of password to their firmware so I
> guess they would prefer me not to.  However if anyone wants to send me their
> failed unit serial numbers I can see if there is any correlation with serial
> numbers we have had fail.
> Regards
> Simon
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