Splitting a map update into 2 parts

How can I split a map only update into 2 parts with a key cycle in between. So part one updates on outward 40min journey and part 2 on return 40 min journey. When car was new, all Ford map updates until F9 worked like that. Later ones a were a continuous process, with just an Options = autoinstall in the middle of the autoinstall.lst file, so the update needed a 90 min drive. Changing this to “Options = autoinstall, delay” would allow the update to be split as before and much more convenient.
I created a USB stick with a map only update using Syn3Updater, as a test, intending to do the same as above, but unlike the Ford updates, the map and voice files etc are in a different order and split into 3 parts. Does it matter what order the files are listed? Can I add a “, Delay” to the first Options = statement? Would that achieve a roughly 50/50 split in the time taken to update?
I regularly do a 2x 45 min outward and return trip, and almost never a continuous 90min drive. On any 90 min drive the route would be unfamiliar and I’d need to use the Nav while driving, so the reformat method also not convenient. When I upgraded with reformat from Sync 3.0 to 3.4 and F12 maps, it took 80 min.
A possible enhancement request for Syn3Updater would be a tick-box option to insert a delay and key cycle to split the map update, which would help the less technical amongst us to get it right :slight_smile:

SYNC Region: EU

Navigation Variant: Nav

Manufacturer Year: Pre MY20

Install Type: OEM

Old SYNC Version: 3.0

New SYNC Version: 3.4.23188

Do you have a error message, if so what is it?

Update Method: CyanLabs Syn3 Updater

Syn3 Updater Version:

Syn3 Updater Documentation Read: yes

Syn3 Updater Log File

; CyanLabs Syn3Updater Stable - Autoinstall Mode - Only Update Maps EU

Item1 = MAP_LICENSE - 1U5T-14G424-BM_1683133039000.TAR.GZ
Open1 = SyncMyRide\1U5T-14G424-BM_1683133039000.TAR.GZ
Item2 = MAP - 1U5T-14G421-BHK_1682468092000.TAR.GZ
Open2 = SyncMyRide\1U5T-14G421-BHK_1682468092000.TAR.GZ
Item3 = VOICE_NAV - 4U5T-14G422-BAK_1682464728000.TAR.GZ
Open3 = SyncMyRide\4U5T-14G422-BAK_1682464728000.TAR.GZ
Item4 = VOICE_NAV - 4U5T-14G422-BDK_1682464885000.TAR.GZ
Open4 = SyncMyRide\4U5T-14G422-BDK_1682464885000.TAR.GZ
Item5 = MAP - 1U5T-14G421-BBK_1682466740000.TAR.GZ
Open5 = SyncMyRide\1U5T-14G421-BBK_1682466740000.TAR.GZ
Item6 = MAP - 1U5T-14G421-BJK_1682469041000.TAR.GZ
Open6 = SyncMyRide\1U5T-14G421-BJK_1682469041000.TAR.GZ
Options = AutoInstall

Item1 = MAP - 1U5T-14G421-BFK_1682467908000.TAR.GZ
Open1 = SyncMyRide\1U5T-14G421-BFK_1682467908000.TAR.GZ
Item2 = MAP - 1U5T-14G421-BAK_1682464992000.TAR.GZ
Open2 = SyncMyRide\1U5T-14G421-BAK_1682464992000.TAR.GZ
Item3 = MAP - 1U5T-14G421-BCK_1682467250000.TAR.GZ
Open3 = SyncMyRide\1U5T-14G421-BCK_1682467250000.TAR.GZ
Item4 = MAP - 1U5T-14G421-BDK_1682467734000.TAR.GZ
Open4 = SyncMyRide\1U5T-14G421-BDK_1682467734000.TAR.GZ
Options = AutoInstall, Include, Transaction

Item1 = VOICE_NAV - 4U5T-14G422-BBK_1682464776000.TAR.GZ
Open1 = SyncMyRide\4U5T-14G422-BBK_1682464776000.TAR.GZ
Item2 = MAP - 1U5T-14G421-BGK_1682467948000.TAR.GZ
Open2 = SyncMyRide\1U5T-14G421-BGK_1682467948000.TAR.GZ
Item3 = VOICE_NAV - 4U5T-14G422-BCK_1682464838000.TAR.GZ
Open3 = SyncMyRide\4U5T-14G422-BCK_1682464838000.TAR.GZ
Item4 = MAP - 1U5T-14G421-BEK_1682467790000.TAR.GZ
Open4 = SyncMyRide\1U5T-14G421-BEK_1682467790000.TAR.GZ
Options = Delay, Include, Transaction

Get a better USB drive, it takes max of 1 hour, usually about 50 minutes.

You can’t install more than i believe 10 items in one section, you can’t install more than a percentage of storage available at once either.

Not going to happen, way more technical than you first think, Syn3 Updater is very automated, incorporating specific cuts at certain points keeping filesizes to a fixed amount is not a simple task, it was tried and abandoned, syn3 updater recommends using Reformat anyway, only reason not to is if you are MY20, more and more maps are ESN locked though so this makes its even more pointless to implement.

EDIT: to clarify, You can only install 10 items in 1 section, so it’s not possible to have it all in 1 go, this is why i was split in to 2, 2 is now too large for most regions also so it was split in to 3. 3 is what Syn3 Updater tries to use but it doesn’t get it perfect as it’s automated, making additional options to change when the delay happen is too technical, we have nested for loops in side other loops currently, its a disaster but it’s kinda the best way we can do it.

Reformat is 100% the recommend way unless you are MY20, it’s cleaner, simpler and quicker. EU takes less than 1 hour for sure, if it’s taking longer use a better USB drive, preferably a USB 3.0 drive (despite the car being usb 2.0, USB 3.0 drives need to meet requirements that USB 2.0 drives don’t so are usually faster even in USB 2.0 ports)

Many thanks for the very detailed reply. I’m convinced :grinning:
I guess that explains the order in which the files are listed.
Any reason why I shouldn’t add a Delay to the first Options = statement? It might not then be a 50/50 split, but it would mean that at least part of the update is completed on an outbound trip, meaning that if it doesn’t finish before I’m home, I don’t have to stay in the car in a car park somewhere until it finishes. I can do the rest at home.
I’ve tried many kinds of new and old USB sticks. No USB3 stick I’ve tried has ever worked. Either not recognised, or a message saying device requires too much power. Could be just unlucky, so I stick with the type I know will work every time.

If your USB was not recognized it was probably not in MBR format, it was probably in GPT. did you use Syn3 Updater?

Most branded USB drives will work fine, A Sandisk Ultra usb 3.0 for example

I don’t believe Delay does what you think it does, but try it.

Reformat is still the better way

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Delay will cause the Sync system to wait for user intervention before a reboot.