Say thanks to Juan for the great article:
https://pisapapeles.net/bloqueo-celulares-mexico/

Sources:
(1) https://www.xataka.com.mx/celulares-y-smartphones/zte-bloqueara-celulares-importacion-irregular-mexico-esto-que-sabemos 
https://www.elfinanciero.com.mx/tech/2022/11/01/zte-bloqueara-celulares-en-mexico-estos-seran-los-modelos-afectados/ 
https://www.unocero.com/smartphones/zte-bloqueo-smartphones-mercado-gris-mexico/ 
https://www.telecompaper.com/news/zte-mexico-to-disable-illegally-imported-phones--1442487 (This site needs registration, but Juan can provide a screenshot of it)

(2) https://www.xataka.com.mx/celulares-y-smartphones/zte-responde-bloqueo-celulares-mexico-smartphones-que-se-hayan-importado-legalmente-no-seran-suspendidos 

(3)
https://www.facebook.com/MotoInMEX/photos/pb.100064704905181.-2207520000/6915076935187857/?type=3 
https://www.motorola.com.mx/normativa-dispositivo-MX346
https://www.motorola.com.mx/deshabilitacion-dispositivo-MX345


(4)
https://www.motorola.com.mx/normativa-dispositivo-MX346
https://www.motorola.com.mx/deshabilitacion-dispositivo-MX345

(5)
https://www.xataka.com.mx/celulares-y-smartphones/exclusiva-oppo-bloqueara-celulares-mercado-gris-mexico 

(6)
https://news.samsung.com/mx/informacion-relevante-sobre-el-mercado-gris
https://web.archive.org/web/20231020035909/https://news.samsung.com/mx/informacion-relevante-sobre-el-mercado-gris

(7)
https://www.ift.org.mx/sites/default/files/comunicacion-y-medios/comunicados-ift/comunicadodeprensaiftprofeco.pdf

(8)
https://www.facebook.com/photo?fbid=411203704368651&set=a.380549454100743
https://www.facebook.com/photo?fbid=651794497086261&set=a.313681340897580 

(9)
https://www.ift.org.mx/sites/default/files/comunicacion-y-medios/comunicados-ift/comunicadodeprensaiftprofeco.pdf 
https://news.samsung.com/mx/postura-oficial-sobre-mercado-gris
https://www.xataka.com.mx/celulares-y-smartphones/motorola-detiene-bloqueos-mercado-gris-mexico-luego-postura-ift-profeco 
https://www.xataka.com.mx/celulares-y-smartphones/motorola-volvera-a-activar-todos-celulares-bloqueados-mercado-gris-mexico 

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timestamps:
00:00 intro 
00:43 in mexico lots of people buy grey market phones 
01:03 these are not stolen phones
01:20 error messages on phones that previously worked 
02:20 samsung locked the entire phone but allowed it to continue turning on
03:03 not surprising, samsung is not a great company
03:38 The government wasn't asking samsung to do this
03:58 Mexican government sided with consumers
05:00 dont buy from these companies
05:40 if you're ok with this..
05:58 samsung talks about battery voltage and charging safety
06:10 Samsung uses same battery voltage in every region and doesnt include a charger in the box anymore
06:34 Samsung is full of crap
06:50 Samsung claims they're being green
07:08 they'll probably get away with it
07:27 This isn't for your safety or security