Connectivity   SIM Cards

Changing my Device's Phone Number (3)
SMS receive issues (2)
Botletics SIM7000A - Crash with HTTP_GET on AT&T but not Verizon (2)
SMS via AT commands / SMS Service Not Subscribed? (16)
Botletics and SIM7000A (9)
new Hologram SIM stuck on "Activating" (17)
$5 SIM vs. Free SIM? (4)
Connecting raspberry pi + NOVA with non-hologram SIM Card to general internet (AT commands?) (4)
SIM registration issues (3)
Third Party hardware on Hologram Cloud (5)
Network registration successful but GPRS fails on newly activated SIMs (15)
Anyone else with SIM registration issues? (3)
SIM is already activated (7)
cellular roaming vs. CAT-M roaming? (4)
Newbie not getting it (7)
Can I generate a device key through the API? (6)
SIM works in Seattle, now not working in Stockholm (3)
Can I use a SIM from any company in Hologram dash? (11)
Will the hologram work with Pycom? (3)
Using Hologram with AT&T Starter Kit? (4)
Using Hologram hardware and SIM in South Korea (11)
Expiry time after Activating a new SIM (3)
Send / Receive failed on T-Mobile Netherlands (3)
PUK numbers (3)
LTE connection and sending / receiving SMS with 3rd SIM (3)
Macchina M2 Support (3)
SIM deployed to DRC - No Connectivity (6)
Any hologram IO Sim Card user here from Singapore? (4)
A6 - SMS says OK, but nothing is sent. (2)
Last Active "an hour ago" but no data (4)