Will it work with Samsung app?

Yes, the Accu-Chek Connect app is available for both Apple and Android devices

Can it be paired with the mini-med 770g system?

I don't know that answer cuz I don't have the mini-med 770g system I have a tandem pump

How to clear err note from meter

the manual for my AccuChek Aviva meter doesn't mention an ERR, just some with numbers (E-4, for example - not enough of a sample on test strip). A common fix is to remove the battery for 20-30 seconds. I suggest changing the battery. That seems to fix some of the more common issues. You can find the book on line.

Does this link with the 780 pump?

I don't believe so. From my experience you need to insert a test strip for each reading. Of course, you also need to use the lancet to get a small drop of blood from your finger. I see that the MedTronics 780G allows sending information to a smartphone or smartwatch (but I have an idea it's not what one would call inexpensive).

ASIN	B07Z9N3HV2
Best Sellers Rank	#9,065 in Health & Household ( See Top 100 in Health & Household ) #11 in Blood Glucose Monitors
Date First Available	January 15, 2020
Item Weight	0.96 ounces
Item model number	Control Solution
Manufacturer	Accu-Chek
Product Dimensions	2.75 x 1.75 x 1.25 inches

Accu-Chek Guide Diabetes Control Solution for Diabetic Blood Glucose Monitoring (Level 1 & 2 for Guide and Guide Me Test Meters)

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Description

Specifications

Common Questions