which Axim Rom update do i choose ?

[robert_uk]

looking here
http://support.euro.dell.com/uk/en/filelib/system.asp?sid=PDA_AXIM_X5&m=o&p=PPC1

there seem to be a few rom updates i can choose
existing is ROM A00 - i guess that's old !

so this one ?
System Utilities: Dell Axim X5 ROM Update for Pocket PC 2002, Pocket PC, English, Axim X5, v.03050300EN, A00

Axim X5 ROM Update for Pocket PC 2002, Advanced and Basic model.
File Name(s): R58550.EXE

or this one ?
System Utilities: Dell Axim X5 ROM Update for Pocket PC 2002, Pocket PC, English, Axim X5, v.04100300EN, A01

Axim X5 ROM Update for Pocket PC 2002, Advanced and Basic model.
File Name(s): R59756.EXE

or this one ?
System Utilities: Dell Axim X5 ROM Update for Pocket PC 2002, Pocket PC 2002, English, Axim X5, v.05200300EN, A02

Axim X5 ROM Update for Pocket PC 2002, Advanced (400-MHz) model only.
File Name(s): R63937.EXE

should i choose the one that matches my existing Rom A00 ?

thanks
robert

(p.s. still no answer from dell tech support on my battery problem!)

[gvanjr]

A04 is the highest/current release for X5 Advanced running PPC2002.