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Industrial News >> Faced with challenge from Google engineer, OnePlus decide to improve their USB Type-C cables

The highlight of OnePlus this year is launching their new smart-phone(OnePlus 2) with a reversible (on both ends) USB cable. Naturally, to accompany the company’s flagship, the cable is reversible USB Type-C on one end. The compelling feature however is the other end having a reversible USB Type A connection.



>>Challenge from Google engineer

OnePlus said that these cables were sold “at cost” and seem like a great companion to this year’s Nexus phones. However, as Google engineer Benson Leung explains, these cables do not comply with the USB spec and may cause damage to whatever is charging your device:

He writes:
It is not spec compliant (uses a 3A identifier resistor instead of the “Default USB Power” one), and may cause damage to your charger, hub, or PC USB port if you use it with #ChromebookPixel  or #nexus6p#Nexus5x .
 
>>>OnePlus’s active solution 

Facing with this challenge, OnePlus appears to have taken notice and has addressed users in their own forums. In a post from the Co-founder Carl Pie, OnePlus insists the cables are fine for charging the OnePlus 2. Carl also offer two ways as solutions to fix the cable problem:

1. Users who have previously purchased the out-of-spec cable will be able to apply for a refund at https://oneplus.net/support/type-c-refund and be refunded directly through PayPal.

2. OnePlus will be improving their cables by implementing the correct 56kΩ resistor.
 
>>How to choose USB Type-C cable?
>>Do not judge a book by its cover.

Actually, the cable offered by OnePlus is not a true “USB Type-c”cable. USB Type-C also has much faster data transfer speeds – up to 10 GB/s. But not always. 'True' USB Type-C uses the USB 3.1 standard, but with some devices, like the OnePlus 2, the USB Type-C cable is just a redesigned USB 2.0 cable. That means the OnePlus 2, using the included cable, won't transfer data any faster than any other USB 2.0 device. 

Furthermore, a redesigned USB 2.0 cable is not going to charge a device with a USB Type-C port any faster than a regular 2.0 cable, because on the inside it's the same. However, charging speeds are more limited by the device than the cable. So if your phone has a Type-C port and you get a real Type-C cable then you will get Type-C speeds.

So be sure not to judge a book by its cover. 

Now many suppliers claim that they offer a True USB Type-c cable, but most of them didn’t test it on real USB Type-C devices. However, Grandefine(Grand Metal & Plastic Manufactory) have done this homework seriously.

So in order to select a qualified USB type-c cable, both distributors and dealers should pay attention to this point.

 

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