sim not connecting to strongest network why ?

Roaming SIMs connect based on operator roaming agreements, not always the strongest signal available. In many cases, the SIM connects to the partner network that the operator has prioritized for stability and coverage.

Common reasons

Partner operator prioritization (preferred roaming partner)

Network congestion on certain towers

SIM locked to one roaming partner for stability

Your phone is using automatic network selection

How to fix it

Switch the network manually and select the recommended operator listed in your Prune order details.

iPhone

Settings → Mobile Data → Network Selection → Turn OFF Automatic

Then select the recommended network.

Android

Settings → Networks / Connections → Network Operators → Manual

Then select the recommended network.

Tip: After switching networks, wait 30–60 seconds or toggle Airplane Mode ON and OFF to refresh connectivity.

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