Updating from 32bit Android to 64bit Android

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Updating from 32bit Android to 64bit Android

Unread post by stats101 » Sun Jan 05, 2020 9:29 am

Hi,

I have 32bit Android installed on the eMMC device on my N2. Can someone advise on how I would change this to the 64bit version of Android. I don't have the adaptor. I'm wondering whether I can use a 64bit image and install through the Odroid Settings app?

Thanks, :)

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Re: Updating from 32bit Android to 64bit Android

Unread post by Luke.go » Mon Jan 06, 2020 1:50 pm

unfortunately, there is no way update to 64bit from 32bit android. you should reinstall the 64bit android.

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Re: Updating from 32bit Android to 64bit Android

Unread post by JustSumDad » Wed Jan 08, 2020 8:25 am

Luke.go wrote:
Mon Jan 06, 2020 1:50 pm
unfortunately, there is no way update to 64bit from 32bit android. you should reinstall the 64bit android.
I take it your saying to the OP that there is no way to retain your existing settings and apps, switching requires wipe and install new image.
All will have to be reloaded and or restored from your google account if you setup Gapps.

Now having said that, I have a similar issue, I have an EMMC load of android, green dot orig preloaded. I believe this is 32bit.
I did order my system with an Emmc 2 usb reader, but it does not work, cant read it at all.

Is there a way to load the 64bit image onto say an SD card and use the onboard bootloader to flash it?

Not meaning to hijack the OP's thread but thought it might be relevant to both of us.
God I wish I could write apps!

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Re: Updating from 32bit Android to 64bit Android

Unread post by odroid » Wed Jan 08, 2020 10:08 am

Which USB card reader do you have?
viewtopic.php?f=53&t=2725

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Re: Updating from 32bit Android to 64bit Android

Unread post by istanbulls » Wed Jan 08, 2020 4:14 pm

JustSumDad wrote:
Wed Jan 08, 2020 8:25 am
Luke.go wrote:
Mon Jan 06, 2020 1:50 pm
unfortunately, there is no way update to 64bit from 32bit android. you should reinstall the 64bit android.
I take it your saying to the OP that there is no way to retain your existing settings and apps, switching requires wipe and install new image.
All will have to be reloaded and or restored from your google account if you setup Gapps.

Now having said that, I have a similar issue, I have an EMMC load of android, green dot orig preloaded. I believe this is 32bit.
I did order my system with an Emmc 2 usb reader, but it does not work, cant read it at all.

Is there a way to load the 64bit image onto say an SD card and use the onboard bootloader to flash it?

Not meaning to hijack the OP's thread but thought it might be relevant to both of us.
Always get MATE inside the uSD card.
You can install Android from uSD card via MATE. Same as emmc adapter, emmc reader.
The simplest method.

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Re: Updating from 32bit Android to 64bit Android

Unread post by JustSumDad » Thu Jan 09, 2020 6:55 am

odroid wrote:
Wed Jan 08, 2020 10:08 am
Which USB card reader do you have?
viewtopic.php?f=53&t=2725
Thanx for the link, I only tried one, perhaps that is the issue. I have several more I can try.
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Re: Updating from 32bit Android to 64bit Android

Unread post by JustSumDad » Thu Jan 09, 2020 6:57 am

istanbulls wrote:
Wed Jan 08, 2020 4:14 pm
JustSumDad wrote:
Wed Jan 08, 2020 8:25 am
Luke.go wrote:
Mon Jan 06, 2020 1:50 pm
unfortunately, there is no way update to 64bit from 32bit android. you should reinstall the 64bit android.
I take it your saying to the OP that there is no way to retain your existing settings and apps, switching requires wipe and install new image.
All will have to be reloaded and or restored from your google account if you setup Gapps.

Now having said that, I have a similar issue, I have an EMMC load of android, green dot orig preloaded. I believe this is 32bit.
I did order my system with an Emmc 2 usb reader, but it does not work, cant read it at all.

Is there a way to load the 64bit image onto say an SD card and use the onboard bootloader to flash it?

Not meaning to hijack the OP's thread but thought it might be relevant to both of us.
Always get MATE inside the uSD card.
You can install Android from uSD card via MATE. Same as emmc adapter, emmc reader.
The simplest method.
You mean Ubuntu MATE?
God I wish I could write apps!

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Re: Updating from 32bit Android to 64bit Android

Unread post by istanbulls » Thu Jan 09, 2020 7:33 am

JustSumDad wrote:
Thu Jan 09, 2020 6:57 am
You mean Ubuntu MATE?
yes
Ubuntu-MATE also has a built in Disks utility.

You can easily write your downloaded img to eMMC via Disks utility

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Re: Updating from 32bit Android to 64bit Android

Unread post by JustSumDad » Thu Jan 09, 2020 7:43 am

istanbulls wrote:
Thu Jan 09, 2020 7:33 am
JustSumDad wrote:
Thu Jan 09, 2020 6:57 am
You mean Ubuntu MATE?
yes
Ubuntu-MATE also has a built in Disks utility.

You can easily write your downloaded img to eMMC via Disks utility

so If I setup an SD with MATE then boot that, flash the IMG file to eMMC and remove the mSD and off I go.

Thanx :) I have plenty of spare mSD around...
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Re: Updating from 32bit Android to 64bit Android

Unread post by odroid » Thu Jan 09, 2020 11:51 am

It seems to be feasible.
But the boot priority of the eMMC is higher than SD card.
So you might need to enable the SPI boot to force SD card booting.

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Re: Updating from 32bit Android to 64bit Android

Unread post by elatllat » Thu Jan 09, 2020 12:05 pm

Or be "bad" and attache the eMMC after uboot and before the kernel.

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Re: Updating from 32bit Android to 64bit Android

Unread post by tobetter » Thu Jan 09, 2020 1:32 pm

If you have Petitboot (v20191127), you can flash the Android image to eMMC from the PC directly without installing another OS to uSD.
Please review the instruction and use the command ums /dev/mmcblk0 in order to access eMMC from your desktop PC.
viewtopic.php?f=182&t=33873&p=276118&hi ... ms#p276118
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Re: Updating from 32bit Android to 64bit Android

Unread post by istanbulls » Thu Jan 09, 2020 7:32 pm

tobetter wrote:
Thu Jan 09, 2020 1:32 pm
If you have Petitboot (v20191127), you can flash the Android image to eMMC from the PC directly without installing another OS to uSD.
Please review the instruction and use the command ums /dev/mmcblk0 in order to access eMMC from your desktop PC.
viewtopic.php?f=182&t=33873&p=276118&hi ... ms#p276118
Sorry :)))
I thought it was Petitboot.
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Odorid N2 should be the first petitboot, the second should be Ubuntu-mate.
The next ranking is not very important for me :)

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Re: Updating from 32bit Android to 64bit Android

Unread post by stats101 » Fri Jan 10, 2020 9:44 am

Luke.go wrote:
Mon Jan 06, 2020 1:50 pm
unfortunately, there is no way update to 64bit from 32bit android. you should reinstall the 64bit android.
So there is not way to install the 64bit version over the 32bit version via the odroid settings app in Android? I'm not worried about losing the data.

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Re: Updating from 32bit Android to 64bit Android

Unread post by Luke.go » Fri Jan 10, 2020 11:28 am

stats101 wrote:
Fri Jan 10, 2020 9:44 am
Luke.go wrote:
Mon Jan 06, 2020 1:50 pm
unfortunately, there is no way update to 64bit from 32bit android. you should reinstall the 64bit android.
So there is not way to install the 64bit version over the 32bit version via the odroid settings app in Android? I'm not worried about losing the data.
Correct. :)

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Re: Updating from 32bit Android to 64bit Android

Unread post by stats101 » Sat Jan 11, 2020 8:58 am

istanbulls wrote:
Thu Jan 09, 2020 7:33 am
JustSumDad wrote:
Thu Jan 09, 2020 6:57 am
You mean Ubuntu MATE?
yes
Ubuntu-MATE also has a built in Disks utility.

You can easily write your downloaded img to eMMC via Disks utility
Would Armbian work for this instead of MATE? If so, how?

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Re: Updating from 32bit Android to 64bit Android

Unread post by odroid » Sat Jan 11, 2020 10:58 am

Why don't you try @tobetter's Petitboot mass-storage via micro-USB port solution?

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Re: Updating from 32bit Android to 64bit Android

Unread post by stats101 » Sun Jan 19, 2020 10:08 pm

When re-flashing Android with a pre-built image, do I need to wipe all the partitions on the eMMC first, or just write straight to the ext4 partition? if I remove all the partitions on the eMMC, will the FAT and ext4 partitions get rebuilt automatically?

I tried flashing the image to the ext4 partition without repartitioning the eMMC, and copying across the new boot.ini to the existing FAT partition, but all I see is the Android logo with the blue light flashing. I've tried giving it 30mins+, but nothing happens.

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Re: Updating from 32bit Android to 64bit Android

Unread post by voodik » Mon Jan 20, 2020 4:35 am

stats101 wrote:
Sun Jan 19, 2020 10:08 pm
When re-flashing Android with a pre-built image, do I need to wipe all the partitions on the eMMC first, or just write straight to the ext4 partition? if I remove all the partitions on the eMMC, will the FAT and ext4 partitions get rebuilt automatically?

I tried flashing the image to the ext4 partition without repartitioning the eMMC, and copying across the new boot.ini to the existing FAT partition, but all I see is the Android logo with the blue light flashing. I've tried giving it 30mins+, but nothing happens.
Selfinstall images re-creating all partitions.
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Re: Updating from 32bit Android to 64bit Android

Unread post by stats101 » Mon Jan 20, 2020 8:07 pm

voodik wrote:
Mon Jan 20, 2020 4:35 am
Selfinstall images re-creating all partitions.
I read somewhere that eMMC have several partitions that you do not want to mess with otherwise risk corrupting the disk. Is this not correct?

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Re: Updating from 32bit Android to 64bit Android

Unread post by Luke.go » Tue Jan 21, 2020 2:16 pm

You don't need to wipe the eMMC. The Selfinstall image wipe out and re create all partitions.

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Re: Updating from 32bit Android to 64bit Android

Unread post by stats101 » Wed Jan 22, 2020 9:23 am

Luke.go wrote:
Tue Jan 21, 2020 2:16 pm
You don't need to wipe the eMMC. The Selfinstall image wipe out and re create all partitions.
I have the following partitions on my eMMC -

/dev/mmcblk0 - Root
/dev/mmcblk0p1 - FAT32
/dev/mmcblk0p2 - Linux
/dev/mmcblkboot1
/dev/mmcblkboot0

I'm assuming I write straight to /dev/mmcblk0? I'm using dd on Ubuntu. Thanks!

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Re: Updating from 32bit Android to 64bit Android

Unread post by Luke.go » Wed Jan 22, 2020 9:36 am

stats101 wrote:
Wed Jan 22, 2020 9:23 am
Luke.go wrote:
Tue Jan 21, 2020 2:16 pm
You don't need to wipe the eMMC. The Selfinstall image wipe out and re create all partitions.
I have the following partitions on my eMMC -

/dev/mmcblk0 - Root
/dev/mmcblk0p1 - FAT32
/dev/mmcblk0p2 - Linux
/dev/mmcblkboot1
/dev/mmcblkboot0

I'm assuming I write straight to /dev/mmcblk0? I'm using dd on Ubuntu. Thanks!
Before using the dd command, please check the correct node name.
If mmcblk0 is eMMC, yes! :)
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Re: Updating from 32bit Android to 64bit Android

Unread post by stats101 » Thu Jan 23, 2020 9:51 am

Luke.go wrote:
Wed Jan 22, 2020 9:36 am
Before using the dd command, please check the correct node name.
If mmcblk0 is eMMC, yes! :)
Thank you. I've successfully installed the update, however it hangs on the boot screen after using the ARM64 installer from Open Gapps. Should I have used the ARM installer instead?

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Re: Updating from 32bit Android to 64bit Android

Unread post by Luke.go » Thu Jan 23, 2020 10:18 am

hmm, you should check your android's architecture by install image. If you used 'selfinstall-odroidn2-eng-s922_9.0.0_64_master-xx-20XXXX.img' , you have to install ARM64 installer of OpenGapps. But if use "... 9.0.0_master ...", you should ARM installer of them. :)

And, If your means of boot screen is main page of android, you should register your device to this site -https://www.google.com/android/uncertified/.

method is on the website.

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