Shanling M6 PRO - Dual AKM AK4497EQ DAC, New Improved Amplifier, 600 mW Output, Android OS, Snapdragon 430CPU 4GB, 2.5 & 4.4 Balanced
Aug 16, 2021 at 12:18 PM Post #184 of 293
cc @Shanling

I recently bought a "like-new" M6 Pro 2020 version from MusicTeck and it indeed appears to be in like-new condition. Initial setup worked fine, able to install 3rd-party apps via PureAPK, playback worked fine etc. But if the 2020 and 2021 versions suffer this same operating flaw ... well, then they're both pretty flawed:

After leaving the player on and inactive for a short-ish period of time (5-10 minutes), the unit appears to shut itself down. That in itself is a potentially significant design flaw - but equally bad is having to hold down the wheel button for 17 seconds or more to restart the unit! Yes, unit is charged to > 90%, yes I set display sleep to 30 minutes, and no a factory reset is not an acceptable workaround for what seems to be a serious design / operating flaw.
 
Aug 16, 2021 at 12:24 PM Post #185 of 293
cc @Shanling

I recently bought a "like-new" M6 Pro 2020 version from MusicTeck and it indeed appears to be in like-new condition. Initial setup worked fine, able to install 3rd-party apps via PureAPK, playback worked fine etc. But if the 2020 and 2021 versions suffer this same operating flaw ... well, then they're both pretty flawed:

After leaving the player on and inactive for a short-ish period of time (5-10 minutes), the unit appears to shut itself down. That in itself is a potentially significant design flaw - but equally bad is having to hold down the wheel button for 17 seconds or more to restart the unit! Yes, unit is charged to > 90%, yes I set display sleep to 30 minutes, and no a factory reset is not an acceptable workaround for what seems to be a serious design / operating flaw.
It's a power setting which you can enable and disable under settings / general / scheduled power off
 
Aug 16, 2021 at 9:42 PM Post #187 of 293
Thanks for that - found it, jacked both to their max values.

But still: a >17sec wait to restart the unit via the wheel button is poor engineering.
Normally you need to hold the button just for few seconds, then the Android starts up (which then takes bit time). If you are holding down the button for 17 seconds, you are doing forced restart.
 
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Aug 16, 2021 at 11:44 PM Post #188 of 293
saw a secondhand being sold on local stores nearby.. will it support MQA ?
 
Aug 17, 2021 at 7:32 AM Post #189 of 293
Anyone got to audition both 21 versions? which is more warmer sounding, the M6 21 or the M6 Pro 21?
 
Aug 17, 2021 at 9:39 AM Post #191 of 293
On Aug 16, 2021 at 6:42 PM, Shanling said:

Normally you need to hold the button just for few seconds, then the Android starts up (which then takes bit time). If you are holding down the button for 17 seconds, you are doing forced restart.

@Shanling: my powered off M6 Pro v1 unit has never, ever started up after a "few seconds" of holding down the wheel button. It consistently takes over 10 seconds before the 'power on' light illuminates. From a powered-off state, how long should one expect to hold down the wheel button before the power light turns on?

I'm also concerned about battery performance: this "like-new" unit was delivered with 87% battery charge and charged up to 96% on my first day of use, but never reached 100% charge. After light use yesterday then powering off at 81% battery level, the unit spent 8 hours on a Google QC charger. This morning the M6 Pro started up with only 64% charge. After 1 hour on a Nekteck USB-C charging port (5V 3A), the battery level is only at 68%. w_t_f !?
 
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Aug 17, 2021 at 8:39 PM Post #192 of 293
Hello! I've just purchased this player and really enjoying it with my Moondrop Blessing 2s. I've got a question. Is there a way to control the device via bluetooth from ios? Simply volume controls and skip/rewind tracks feature will do.

I managed to connect with HibyMusic, and that solves the volume control issue but I cannot do anything else like skipping tracks on Amazon Music.

I don't think there is any way how to remotely control Amazon Music.

saw a secondhand being sold on local stores nearby.. will it support MQA ?

Only M6 Pro 21 comes with MQA support.

@Shanling: my powered off M6 Pro v1 unit has never, ever started up after a "few seconds" of holding down the wheel button. It consistently takes over 10 seconds before the 'power on' light illuminates. From a powered-off state, how long should one expect to hold down the wheel button before the power light turns on?

I'm also concerned about battery performance: this "like-new" unit was delivered with 87% battery charge and charged up to 96% on my first day of use, but never reached 100% charge. After light use yesterday then powering off at 81% battery level, the unit spent 8 hours on a Google QC charger. This morning the M6 Pro started up with only 64% charge. After 1 hour on a Nekteck USB-C charging port (5V 3A), the battery level is only at 68%. w_t_f !?

After about 2 seconds you should see the red light on side light up.

Can you try some "older" charger, something that isn't usb-C or proprietary google QC charger?
 
Shanling Have any question about our players? Just PM me or send me email. Stay updated on Shanling at their sponsor profile on Head-Fi.
 
https://www.facebook.com/Shanling-Audio-603230783166845/ https://twitter.com/ShanlingAudio https://www.instagram.com/shanlingaudio/ http://en.shanling.com/ frankie@shanling.com
Aug 17, 2021 at 9:39 PM Post #193 of 293
usery said:
my powered off M6 Pro v1 unit has never, ever started up after a "few seconds" of holding down the wheel button. It consistently takes over 10 seconds before the 'power on' light illuminates. From a powered-off state, how long should one expect to hold down the wheel button before the power light turns on?

I'm also concerned about battery performance: this "like-new" unit was delivered with 87% battery charge and charged up to 96% on my first day of use, but never reached 100% charge. After light use yesterday then powering off at 81% battery level, the unit spent 8 hours on a Google QC charger. This morning the M6 Pro started up with only 64% charge. After 1 hour on a Nekteck USB-C charging port (5V 3A), the battery level is only at 68%. w_t_f !?
After about 2 seconds you should see the red light on side light up.
Can you try some "older" charger, something that isn't usb-C or proprietary google QC charger?
@Shanling : on my M6 Pro the power-on LED never lights up any sooner than 8sec on pressing the wheel button.

I'm now trying to charge with an older Choetech Q3001 QC 3.0 charger - and the M6 Pro is not charging at all. Worse, it actually loses charge if I open an app while charging. Nor is there any charge indicator if the unit is powered off and charging. I gather that is a shortfall of the device itself - other owners appear to have commented on it.
 
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Aug 17, 2021 at 9:45 PM Post #194 of 293
On my M6 Pro the power-on LED never lights up any sooner than 8sec on pressing the wheel button.

I'm now trying to charge with an older Choetech Q3001 QC 3.0 charger - and the M6 Pro is not charging at all. Worse, it actually loses charge if I open an app while charging. Nor is there any charge indicator if the unit is powered off and charging. I gather that is a shortfall of the device itself - other owners appear to have commented on it.
On my M6 21 Pro
I press wheel 3 seconds . LED comes on Red then normal Android boot up
 
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