USB Host does nothing? :(

enp82003 · Feb 27, 2012

So my USB host wire came today! i plugged in my flash drive and nothing... No messages no LED lights... nothing.... I tried plugging in a keyboard and nothing happen either... I am using calkulins e4gt 2.9. I tried looking in the ROM's thread with the search feature I found someone asking the same question but no replies...
Does anyone have any ideas?

lafester · Feb 28, 2012

who said usb host was working?

ImaWinRAR · Feb 28, 2012

USB host support has not been included in any ROMs/kernels as of today. hopefully some devs start to take an interest (like jamcar, who is trying to get it working on his DARKSTAR rom) but DO NOT pester the devs for this tho, if you ask once and it goes ignored, leave it.

enp82003 · Feb 28, 2012

lafester said:
who said usb host was working?

Samsung....

http://www.samsung.com/us/article/tips--tricks-epic-4g-touch#USB

Attaching USB Devices to the Epic 4G Touch: With the optional USB adapter, you can connect devices such as keyboards, mice and thumb drives to the Epic 4G Touch. High-powered devices and charging another device from the Epic 4G Touch’s port are not supported.

enp82003 · Feb 28, 2012

ImaWinRAR said:
USB host support has not been included in any ROMs/kernels as of today. hopefully some devs start to take an interest (like jamcar, who is trying to get it working on his DARKSTAR rom) but DO NOT pester the devs for this tho, if you ask once and it goes ignored, leave it.

I won't and thank you as for the stock firmware does it have the USB host feature?

WhiteWidows · Feb 28, 2012

Everyone tweet this question of why it dose not work to Samsung John. Its on the feature list on Samsung's official page for the ET4G

http://www.samsung.com/us/article/tips--tricks-epic-4g-touch#USB

Samsung Johns Twitter account
https://twitter.com/#!/SamsungJohn

Retweet
https://twitter.com/#!/Wh1t3W1d0W/status/174288683300683776

ImaWinRAR · Feb 28, 2012

enp82003 said:
I won't and thank you as for the stock firmware does it have the USB host feature?

if by stock firmware you mean Android 2.3.x i dont believe so - it was only working with the initial stock firmware for the int'l version at release then for whatever reason Samsung decided to disable the feature and every update after that had it disabled. but from conversing with jamcar:

jamcar said:
good news all 4.0.3 kernels have it built in
and you win the prize of easiest request

it seems much more likely that with all the buzz and releases/tune ups for ics roms, some devs might add the necessary drivers/etc to wake it up

shabbypenguin · Feb 28, 2012

and yet his 4.0.3 based rom doesnt have it

ImaWinRAR · Feb 28, 2012

shabbypenguin said:
and yet his 4.0.3 based rom doesnt have it

afaik, hes the only one trying to incorporate it. and for that he gets props

im0rtalz · Feb 28, 2012

I thought usb host would have to be enabled by the kernel not just the rom. Such as how it works on the tmobile version by flashing a custom recovery kernel. Darkstar rom might support it, but it has to be done in the kernel also, but I may be wrong.

enp82003 · Feb 28, 2012

I hate when they have a feature then take it away.... WTF is the reasoning behind it?! people would buy less Samsung laptops or something?! Arg... Now i wish i went with another brand...

ImaWinRAR · Feb 28, 2012

im0rtalz said:
I thought usb host would have to be enabled by the kernel not just the rom. Such as how it works on the tmobile version by flashing a custom recovery kernel. Darkstar rom might support it, but it has to be done in the kernel also, but I may be wrong.

i actually think its the other way around. according to jamcar, its already present in the kernel. and i think because he saw that, he thought it would already be supported in his rom when it evidently is not (dont mean to put so much pressure on him

)

enp82003 said:
I hate when they have a feature then take it away.... WTF is the reasoning behind it?! people would buy less Samsung laptops or something?! Arg... Now i wish i went with another brand...

that is what everyones mind was flaming

DaKlown · Feb 28, 2012

To shed some light on this situation the international galaxy s2 has had this feature from day 1. It was also used in the marketing of the s2 as a feature Samsung was proud of. Long story short sprint had Samsung pull it from our device. I have no info as to why Sprint had them do this. Kind of like how Sprint had them pull the nfc chip without any explanation i guess...

enp82003 · Feb 28, 2012

DaKlown said:
To shed some light on this situation the international galaxy s2 has had this feature from day 1. It was also used in the marketing of the s2 as a feature Samsung was proud of. Long story short sprint had Samsung pull it from our device. I have no info as to why Sprint had them do this. Kind of like how Sprint had them pull the nfc chip without any explanation i guess...

Nfc chip? What is that?

JohnCorleone · Feb 28, 2012

enp82003 said:
Nfc chip? What is that?

Near Field Communication I believe. My NS4G has it. I believe you can transfer data wireless to nearby device....I think. I am never around anyone who also has it. I disable it because it does use battery...even though its not in use

Sent from my Nexus S 4G using xda premium

enp82003 · Feb 28, 2012

Would it be possible to down grade my kernal or go to the eu version so i could get usb host support?

Epix4G · Feb 28, 2012

enp82003 said:
Would it be possible to down grade my kernal or go to the eu version so i could get usb host support?

There is no EU version this is not a gsm phone .....cdma only can't use kernels from them

Sent from my SPH-D710 using xda premium

DaKlown · Feb 28, 2012

enp82003 said:
Would it be possible to down grade my kernal or go to the eu version so i could get usb host support?

No you cant use a gsm kernel on a cdma phone but the usb host code is a part of android since honeycomb. ICS has it too. Hopefully it will get re-enabled once we have a stable ICS OTA.

USB Host does nothing? :(

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