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Repair and disassembly information for the second-generation iPhone SE that was announced and released in April of 2020.

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Signal strength iPhone SE 2020

I've noticed that my phone's signal strength rarely goes above two bars lately. I've tried all the standard troubleshooting steps, including restarting and resetting my phone, but the issue persists.

I'm wondering if the age of my phone might be contributing to this problem. Could you advise if there are any solutions or actions I can take to improve my signal without needing to purchase a new device?


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try resetting your network settings — but do it with your SIM card removed. Go to Settings → General → Transfer or Reset iPhone → Reset → Reset Network Settings. Once it restarts, pop your SIM back in and see if things improve.
If you can, test another carrier’s SIM in your phone. That’ll tell you if the problem is your phone or your current carrier’s coverage in your area.

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I've tried the troubleshooting steps you suggested, but unfortunately, I haven't seen any improvement.

Additionally, I tested the device with a friend's SIM card to rule out a carrier issue, but the problem persisted.

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There are some special codes you can enable to check things:

Secret phone codes are dialer codes used to access hidden menus, test device hardware, and change call settings.

  • ##4636#*#*: Shows phone information, including battery, usage statistics, and Wi-Fi information.
  • #0#: Opens a general test mode to check your phone's screen, sensors, and other hardware.

See if these help when comparing with another phone which uses the same cellular service at the same location physically, as well as the same bands.

Apple has a deeper onboard diagnostics but without knowing what the location offers for cell service by its self might not offer enough info How to put your iPhone in diagnostics mode

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Samuel Johnson crwdns2934231:0crwdne2934231:0
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