How to fix Trust Wallet app crashing on iPhone after update?

Root Causes of Trust Wallet Crashes Post-iOS Update

1. Trust Wallet relies on Web3Kit and embedded WebView components that may become misaligned with iOS 18’s stricter sandboxing policies.

2. The app’s native bridge layer fails to initialize when iOS enforces new memory allocation limits for background extensions.

3. Legacy Ethereum JSON-RPC handlers in older Trust Wallet builds conflict with Apple’s updated NSURLSession configuration defaults.

4. WalletConnect v1 session persistence logic breaks under iOS 18’s enhanced app termination heuristics during multitasking transitions.

5. Cached ABI definitions stored in NSUserDefaults get corrupted during automatic migration triggered by the OS update process.

Immediate Device-Level Corrections

1. Perform a full force restart using volume up → volume down → side button sequence until the Apple logo appears—this clears stale kernel-level wallet process states.

2. Disable Low Power Mode before launching Trust Wallet, as iOS 18 throttles JavaScriptCore execution in WebView contexts under this setting.

3. Navigate to Settings → Privacy & Security → Tracking → toggle off “Allow Apps to Request to Track”, since Trust Wallet’s analytics SDK triggers silent assertion failures when tracking permissions are ambiguous.

4. Manually clear Trust Wallet’s cached data via Settings → General → iPhone Storage → Trust Wallet → Offload App, then reinstall from App Store—not through TestFlight or sideloaded IPA.

5. Reset network settings (Settings → General → Transfer or Reset iPhone → Reset → Reset Network Settings) to eliminate TLS 1.3 handshake failures with Infura and Alchemy endpoints.

Wallet-Specific Recovery Steps

1. Launch Trust Wallet while Airplane Mode is enabled, then disable it after the home screen renders—this bypasses race conditions in node discovery initialization.

2. Go to Settings → Wallet → Security → toggle off “Biometric Authentication” temporarily, as Face ID enrollment changes in iOS 18 break Trust Wallet’s LocalAuthentication framework binding.

3. Within the app, navigate to Browser → three-dot menu → Clear Browsing Data → select all options except “Saved Wallets”, then confirm.

4. Re-import wallet seed phrases manually instead of restoring from iCloud Keychain, because iOS 18 restricts cross-app access to keychain items tagged with legacy kSecAttrAccessibleAfterFirstUnlock.

5. Disable all third-party dApp connections in Settings → Connected Sites before relaunching—some injected web3 providers inject incompatible polyfills into Trust Wallet’s internal browser context.

Developer-Mode Workarounds

1. Install the latest Trust Wallet TestFlight build directly from the official Trust Wallet developer portal—these contain patched WKWebView configurations for iOS 18.

2. Use Safari’s Develop menu to attach Web Inspector to Trust Wallet’s internal browser and monitor console errors related to window.ethereum is not defined or Failed to load script: injected-web3.js.

3. In Xcode Devices and Simulators window, enable “Show Console Logs” for Trust Wallet and filter for “TrustWalletCore”, “Web3Provider”, or “SecureEnclaveError” entries.

4. If building custom dApps, replace calls to window.trustwallet with explicit window.ethereum detection logic, as Trust Wallet’s global injection mechanism now follows EIP-1193 standards exclusively.

5. Avoid using trust:// links in external apps; iOS 18 treats them as untrusted URL schemes unless explicitly declared in the app’s Info.plist under LSApplicationQueriesSchemes.

Frequently Asked Questions

Q: Does resetting all settings erase my wallet seed phrase?No. Seed phrases are stored only in the app’s encrypted local storage or iCloud Keychain if explicitly backed up. Resetting settings does not touch these containers.

Q: Why does Trust Wallet crash only when opening the DApp browser but not the wallet tab?This indicates a WebView-specific regression. iOS 18 modifies how WKWebView handles CORS preflight requests for decentralized identity endpoints like ENS resolvers.

Q: Can I use Trust Wallet with hardware wallets after the iOS update?Yes, but Ledger Live must be updated to v2.42.0 or later. Older versions fail to establish HID communication due to iOS 18’s revised USB enumeration timing.

Q: Is clearing Safari website data necessary to fix Trust Wallet crashes?No. Trust Wallet uses its own isolated WKWebView instance. Safari’s cache and cookies have no impact on Trust Wallet’s internal browser behavior.