USB WiFi adapter on desktop computer connected to JioFi 3 router, improves Jio 4G Internet speed to 4 Mbps or more (in my Puttaparthi flat)

Last updated on 1st Oct. 2017

“TP-Link TL-WN725N 150Mbps Wireless N Nano USB Adapter”, https://www.amazon.in/TP-Link-TL-WN725N-150Mbps-Wireless-Adapter/dp/B008IFXQFU gives my PC desktop computer the ability to connect via WiFi to JioFi 3 4G router. It typically gives, as of now at least, a satisfactory speed (typically 4 Mbps or more, sometimes going up to 16 Mbps) Jio 4G Mobile Internet broadband access solution for me on my desktop computer, with JioFi 3 router placed in suitable position for good signal strength. I faced the less than 1 Mbps speed for short periods issue on fewer occasions than with USB tethering solution earlier.

Also procured a claimed high-quality 6 feet micro to regular USB cable, https://www.amazon.in/Chevron-Charging-FastLane-Unbreakable-Braided/dp/B073SGNYNT. As it is around 3 feet longer than the around 3 feet Jio supplied cable, it provided me more convenience in placement of JioFi 3 device for better signal strength, when using USB tethering to computer solution. That seems to have been the reason for improved Internet speed for the desktop computer seen in this arrangement.

The desktop computer Jio Internet connection solution that works best in my situation/case, from an Internet speed point of view as well as Windows 10 OS and Internet applications (like Chrome browser) stability point of view, is the WiFi USB adapter connected to JioFi 3 4G router one. So that’s what I intend to use on a regular basis.

This post follows up on my previous post, Flaky/unstable solution to JioFi 3 4G router USB tethering to Windows 10 lag problem and perhaps freeze problem too, https://goo.gl/nJs6A4.

Readers who are not interested in details may please skip reading the rest of this post.

Detailed Log

Two or three days ago, I got delivery of “TP-Link TL-WN725N 150Mbps Wireless N Nano USB Adapter” which I had ordered from Amazon India, https://www.amazon.in/TP-Link-TL-WN725N-150Mbps-Wireless-Adapter/dp/B008IFXQFU. This USB adapter device would give my PC desktop computer the ability to connect via WiFi to JioFi 3 4G router.

The package contents looked good: the Nano USB adapter, a quick install leaflet, little more documentation leaflets, and an install CD. The package cover also mentions a 3 year warranty. I followed the simple quick install instructions which mainly were plugging in the tiny (nano) WN725N adapter into a USB port of my desktop computer and then installing the driver and utility software from the CD.

Towards the end of the install process, the WiFi networks the adapter could sense were listed, which included my JioFi 3 device related WiFi network. I connected to it and specified the password, when asked. It connected saying Secure something but added ‘No Internet’ or words to that effect! Browsing via Chrome reported no Internet connection.

I tinkered around the setup/config a little but did not get any solution. Then I called up TP-Link India support (listed in one of the leaflets in the package). I did not get through to a customer service rep. in the first attempt but got success in my second attempt. Unfortunately, the customer service rep. was not so helpful with my problem. She first told me that they (TP-Link company) do not recommend this product for connecting to JioFi router (or perhaps any 4G router), and instead suggest another product. I did not buy that line of “support” and told her that their company is selling this product and so now I need help to connect to JioFi 3 with that product.

She later tried to help by suggesting that I change the WiFi channel on the JioFi router to 1, 6 and 11 (in turn) with the WiFi channel bandwith being 20 MHz, and see if that works. This was new to me but I figured out that these settings would be on the administrator webpages of the JioFi 3 device. I asked her whether I should update the device’s driver with the latest driver from TP-Link website. She said that if her first suggestion does not work, then I could do so.

So I tried out her suggestion which involved changing the (default) Automatic setting of WiFi channel in JioFi 3 router using its web administration/configuration interface, to these values (in turn). But none of these changes solved the problem.

Then I tried updating the driver using latest version from TP-Link website. That involved running a setup program in the downloaded set of files (after unzip) which “repaired” the TP-Link installation. I also uninstalled some iPod/iPhone third-party software that I had installed (may not be connected with this issue at all). [I was successful in using my old ipod Touch 2nd gen. device which I had not used for at least four years, maybe five or six years (since Bhagawan Mahasamadhi in April 2011 or little later after that), to connect to Jio Fi 3 router using WiFi and browse the Internet on the ipod Touch. It was in that connection that I had recently installed some iPod/iPhone third-party software on my desktop computer.]

On restart of the computer, the problem got solved! Now on connecting to JioFi 3 router’s WiFi network, I got the status message of “Connected, secured”. Browsing the Internet using Chrome worked! I don’t know what exactly solved the problem. It was not the WiFi channel setting suggestion as after the unsuccessful attempts with modifying the channel, I had set it back to its original (default) setting of Automatic. I also noted that the driver date remained the same (1st April 2016) even after the latest driver was installed from TP-LINK website. So I think the first driver installed by the initial CD setup may have been the same as the latest driver that I downloaded.

Anyway, now the Nano WiFi adapter had successfully enabled WiFi connectivity to JioFi 3 router from my desktop computer. This enabled me to place the JioFi 3 router closer to the outside balcony window area of my flat (which gave the best Jio 4G signal reception). Even placing it in my bedroom but near the closed balcony door, bumped up the Internet speeds on the desktop! Typically, even during daytime, I got 4 Mbps and above. At times, I got 10 Mbps and above. On only one or two occasions for a short period of time, I got below 1 Mbps speed (like around 500 Kbps).

Placing the JioFi 3 router in the balcony window sill, resting against closed insect-net window pane, gave me, at times, 15 Mbps speed during daytime (as obtained on desktop computer in bedroom corner through WiFi adapter). Here’s one such result, IIRC, associated with these tests: http://beta.speedtest.net/result/6659374415 (16.44 Mbps DL speed, 27th Sept. 2017, 4.45 PM).

But this is the more typical speed (with JioFi 3 router on chair in bedroom near closed balcony door): 6.09 Mbps on 28th Sept. 2017 at 9.54 PM, http://beta.speedtest.net/result/6663277326.

So, as of now at least, a satisfactory speed (typically 4 Mbps or more) Jio 4G Mobile Internet broadband access solution for me on my desktop computer is using the WiFi Nano adapter and connecting via WiFi to JioFi 3 router placed in suitable position for good signal strength. I don’t know how often I may face the short period below 1 Mbps speed issues, but it seems to be lesser with this arrangement than when I was using JioFi 3 with USB tethering using Jio supplied around 3 feet cable.

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A little before I got the TP-Link USB WiFi adapter, I received a claimed high-quality 6 feet micro to regular USB cable that I had ordered from amazon.in, https://www.amazon.in/Chevron-Charging-FastLane-Unbreakable-Braided/dp/B073SGNYNT. Note that the Jio supplied micro to regular USB data and charging cable is around 3 feet long.

I must mention here that I had tried to connect the Jio supplied cable with a high-quality 3 meter (9.84 feet) USB extension cable, and use that arrangement to USB tether JioFi 3 to desktop computer. This arrangement failed as the computer was not able to properly recognize JioFi 3 device.

This high-quality 6 feet micro to regular USB data and charging cable worked better with USB tethering of JioFi 3 to desktop computer, than with JioFi 3 being connected with the Jio supplied around 3 feet cable. The additional 3 feet of cable length allowed me more convenience in placement of JioFi 3 device closer (lesser distance) to the balcony door. That seems to have been the reason for improved Internet speed for the desktop computer seen in this arrangement.

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The solution that works best from an Internet speed point of view as well as Windows 10 OS and Internet applications (like Chrome browser) stability point of view, is the WiFi USB adapter connected to JioFi 3 4G router one. So that’s what I intend to use on a regular basis. However, it is good to know of the possibility of more convenient and better Internet speed arrangement of USB tethering of JioFi 3 to computer using longer 6 feet cable.

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1st Oct. 2017 Update: After a few days of the TP-Link USB Wi-Fi adapter connecting to the JioFi WiFi network without any issues, when I started up my desktop computer today, I got the earlier problem mentioned in this post, of Connected but “No Internet” message on JioFi WiFi network connection (when connected through TP-Link WiFi adapter). Chrome browser also reported no Internet connection. Note that it had connected to JioFi automatically on computer startup perhaps because it was connected at shutdown time. I have NOT put on automatic connect for this WiFi connection.

Disconnecting the JioFi WiFi network connection (on the computer) and re-connecting it, did not resolve the problem. I thought of restarting the computer before I tried out any further other options. Restart resolved the problem! fast.com is reporting 5 to 6 Mbps speed (at around 8.50 AM, with JioFi 3 router placed on a chair in bedroom near open bedroom-balcony door).

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