Try this
1. Download this -
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2. Open it and it will look like this -
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3. Connect your device while its unlocked and you should get a pop up on your phone saying "Trust" or "Do Not Trust" choose "Trust"
4. Then once your device is synced with the tool click here -
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5. Once your on the page it should look like this -
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6. Then click this -
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7. When you click it, it should turn grey, once it turns blue
Then just test the apps that keep crashing