Massive Wi-Fi throttling on Samsung Galaxy S20 FE 5G purchased from Amazon India (September 2021 unit)

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Samsung Galaxy S20 FE 5G for Rs. 36999 (33999 including HDFC Offer)


TL;DR from this thread

Amazon India sale is delivering units manufactured in India in September 2021 in this sale. This batch seems to have a lot of units that have a very unreliable Wi-Fi. It would connect fine and would stay fine for a while but after a while, it slows down considerably. Turning it off and on again would fix the issue temporarily. Resetting the phone does not fix it. If you have such a unit, you should instantly apply for a replacement or refund. XDA has a thread that has 2-3 other folks who got a unit with the same problem. There is also supposedly a Telegram group but I am not a member. There is also discussions on the official Samsung Community. One such thread.

Important stuff: For replacement, do not apply for it through the order page. It would force you to deal with a tech visit from an outsourced company which delays the process. In my case, the tech guy did not bother visiting me. Called me up on the phone and asked me to reset the phone and go through the entire process again and see if that fixed the issue and ping him later so that he can process a replacement. He ended up closing my complaint without confirming me first. Amazon chat support initiated another tech visit which added another two-day delay. Phone support told me that they cannot help me because of this active request in their system and I should contact them once it is over, and I am not satisfied with the resolution. So, use the phone support option. This seems to be a safe and the fastest way to get a replacement and maybe even a refund if replacement units are also affected by this problem.

One member of the forum has confirmed that the unit he got from an earlier stock does not suffer from this issue. XDA and a few other outlets do confirm that there have been a few isolated cases of this issue affecting the entire S20 series. It is just too hard to tell if this is a hardware based issue or a firmware based one.

I ended up applying for a refund. If you are not sure how to test out wi-fi stability, install an app like WiFiMan which continuously monitor wi-fi connection speed. Or just download a very large file (10GB File) and see if it stays at similar speed levels consistently. On my S10 Lite, it is stable while on Fe, it keeps on changing while placed at the same place at same distance from the wireless router. Upload connection speeds actually drop down to 6mbps regularly. In my opinion, this should not happen when power savings are disabled, screen is on, and the app accessing Wi-Fi modem is in foreground.
 
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Shouldn't be difficult getting a hands-on experience at the nearest Croma, Vijay Sales or Samsung stores.
 
i did check out a-series model before buying the s10 lite last year. the two phones are practically similar except for minor improvement in processor and camera modules. display is slightly smaller (0.2 inchs iirc). i was more interested in what is missing from the package. geekyranjit videos are great for this. in 20 minutes i was able to find out...
  • No case in this phone. S10 Lite came with a basic transparent case.
  • It seems to have the same super thin screen protector (more like a sheet) which has survived 1.5 years of abuse on my S10 Lite. I hate tampered so this seems nice. He did not talk about it but the unboxing video seemed to show it.
  • Camera should be better than S10 Lite.
  • Fingerprint Sensor seems to be same.
  • It ships with a 15w charger. I think S10 Lite came with 25w. Not sure though. But that charger is definitely more premium compared to the one in the video.
  • Specs online indicates that S20 FE does have MST though I think at this stage it is not really required. I have used it just once in last 1.5 years on Samsung Pay and the experience was pretty bad. Practically everyone has a NFC enabled machine these days.
Samsung as usual does not seem to have any wireless charger in stock. Not sure if 15w chargers from other companies would work on this phone. Ranjit did test the phone on the Mi power bank with wireless charging I think and it showed fast charging on it so I suppose it should be fine.

Basically, the only concern is that the display turns out to be fine. I had to get my original unit from Flipkart replaced. Second unit was slightly better than the first one and I stopped caring about the issue with time. Would be annoying if the new unit seems to have the same issue on low brightness.

Also, S10 Lite seems to have Super Amoled Plus. S20 FE seems to just have Super Amoled. Not sure if there is any major difference between the two.
 
When I checked the S20 FE in store, I did find the screen a little less flattering. I turned up the brightness and changed the saturation levels and all, didn't make any difference. So yeah, watch out for that.
 
yeah. samsung is supposed to have the best displays but they also have a lot of complaints wrt tints etc.
 
Amazon is shipping a lot of products with same day delivery. got the case and wireless charger ordered and should arrive today.
now waiting for a friend to reach home so that i can order the damn phone itself lol.
 
wrt to the phone itself... green would arrive on october 4. blue would arrive before 11am. Amazon is weird.
 
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