OEM Lumia 735 rear housing, includes NFC antenna and Wireless charging coil
Part: Nokia Lumia 735Battery Cover
Condition: Factory new
Warranty: 12 Months
Compatibly: Nokia Lumia 735
Parts Origin - OEM
The term OEM stands for 'Original Equipment Manufacturer', the exact meaning differs in several industries.
To us, OEM means that the part is the same part used within your device, using the same materials and specifications.
We use the term OEM to cover many parts from refurbished, used and new components, the exact condition will be stated in the items description.
In some cases when the part supplied is made up to several components (for example an LCD assembly) the part may have been assembled by a 3rd party vendor using OEM parts meaning that consumable may differ (such as adhesive used)
Although strict testing procedures are put in place to ensure the quality of the part these testing practices and procedures may differ from the checks manufacturers use.
Any hardware supplied as OEM will not have any quality loss or loss of features and covered under our extensive returns policy.
As in many cases we dont obtain directly from the devices manufacturer, nor in some cases are we affiliated with device manufacturer in any way and they are not involved in the testing or sales process of the component we sell.
The cover arrived, in good condition within a few days of ordering. The feel, look and fit was similar to the original rear case and it was easy to apply. The wireless rear case also includes a working USB port. It worked "Straight-out-of-the-box" and I was able to wirelessly charge the Nokia 735 from one-third charge to fully charged in about one hour, without having to make any software selections in the settings area - I had previously upgraded the Operating system, using the USB port in the original case, from Windows 8.1 to Windows 10 mobile. Observations. Charging the phone wirelessly takes a little longer than using the USB port and consumes more current in doing so - 1.35 amps against 0.80 amps @ 5 volts. I found that the wireless pad I had would charge through a leather wallet (3.5mm thick) and a polythene/silicon phone holder (2mm). A cautionary word follows:- If you've clad the phone in a wallet (As I did), make sure that there's no metal in it, otherwise the wireless charging signal will dissipate some of its energy (About 0.10 amps I found), by vitue of electromagnetic induction, in heating the metal and this heat will ultimately conduct to the wireless pad and phone - after about an hour of wireless charging with the wallet on I found that the wireless pad temperature had risen to 40-50 C, that's hot to the touch and hotter than most Computer CPUs run. Not too good. I note from the reports of other users that bought the same wireless charging pad as I did, that, quite frequently they had wireless pads fail prematurely or phones overheat and melt due to overheating when the phones were left unsupervised whilst on overnight wireless charge. Taking the phone out of the wallet and making sure all other metallic objects were clear of the wireless pad avoided any increase in temperature. Obviously, charging the phone through the USB port has no such consequences. You can easily check whether your wallet has metallic content by using one of the metal detectors used for detecting screws/nails/pipes in walls, or failing access to that, simply take the phone out of the wallet before wirelessly charging. Its also worth noting that it appears that much of the software that controls these wireless charging circuits is not too bright - for instance, I found that if I removed the phone from the wireless charger before it had fully charged, then the wireless pad continued to draw a small, but significant current for heating purposes, for some considerable time after the phone had been removed. So, I've got into the habit of pulling the wireless pad's power supply when I remove the phone from the pad, thus avoiding the potential of the pad heating up its own windings - the cause of pad failure ? Otherwise, no problems with this purchase or the system of wireless charging.
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